commit fcbe35befd2156063e07ceb1304d2c3d28826874
Author: Camille Chauvet <cchauvet@3F3.42angouleme.fr>
Date:   Thu Jan 19 17:33:26 2023 +0100

    kekw

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..7474655
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,35 @@
+OBJ = ${SRC:.c=.o}
+
+NAME = libftx.a
+
+LIBS = libft/libft.a gnl/get_next_line.a printf/ft_printf.a extra/extra.a
+
+CC = clang
+
+FLAG = -Wall -Wextra -Werror
+
+all: ${NAME}
+
+${NAME}: ${OBJ}
+	make -C extra
+	make -C libft
+	make -C gnl
+	make -C printf
+	ar -rcT $(NAME) $(LIBS)
+
+clean: 
+	make -C extra clean
+	make -C libft clean
+	make -C gnl clean
+	make -C printf clean
+
+fclean: clean
+		rm -f ${NAME}
+		make -C extra fclean
+		make -C libft fclean
+		make -C printf fclean
+		make -C gnl fclean
+
+re: fclean all
+
+.PHONY: all clean fclean re
diff --git a/extra/Makefile b/extra/Makefile
new file mode 100644
index 0000000..269a370
--- /dev/null
+++ b/extra/Makefile
@@ -0,0 +1,39 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2022/09/27 08:39:27 by cchauvet          #+#    #+#              #
+#    Updated: 2023/01/19 12:55:43 by cchauvet         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+CC = clang
+
+SRCS = ft_contain_only.c ft_freer.c ft_is_in.c ft_random_generator.c ft_strchri.c ft_strcmp.c ft_strfjoin.c ft_strgen.c ft_strmerger.c ft_strndup.c ft_tabrealloc.c ft_ultoa_base.c
+
+OBJS = $(SRCS:.c=.o)
+
+NAME = extra.a
+
+CFLAGS = -Wall -Werror -Wextra -g
+
+%.o: %.c extra.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+all: $(NAME)
+
+$(NAME): $(OBJS)
+	ar -rc $(NAME) $(OBJS)
+
+clean:
+	rm -f $(OBJS) $(BOBJS)
+
+fclean: clean
+	rm -f $(NAME)
+
+re: fclean all
+
+.PHONY: all bonus clean fclean re
diff --git a/extra/extra.h b/extra/extra.h
new file mode 100644
index 0000000..b55a011
--- /dev/null
+++ b/extra/extra.h
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   extra.h                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/04 14:03:10 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/18 19:21:29 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef EXTRA_H
+# define EXTRA_H
+# include <stdarg.h>
+# include <stdlib.h>
+# include <unistd.h>
+# include <fcntl.h>
+# include "../libft/libft.h"
+
+char	*ft_ultoa_base(unsigned long long n, char *base);
+char		*get_next_line(int fd);
+size_t		ft_random_generator(size_t start, size_t stop);
+void		ft_freer_tab_ultimate(size_t len, ...);
+void		ft_freer_ultimate(size_t len, ...);
+char		*ft_strgen(char c, size_t len);
+char		*ft_strfjoin(char *s1, char *s2);
+char		*ft_strmerger(size_t arg_len, ...);
+int			ft_is_in(char *str, char c);
+char		**ft_tabrealloc(char **tab, size_t current_size, size_t new_size);
+char		*ft_strndup(char *src, size_t n);
+ssize_t		ft_strchri(char *str, char c);
+int			ft_contain_only_str(char *str, char *to_find);
+int			ft_contain_only(char *str, char c);
+int			ft_strcmp(char *s1, char *s2);
+#endif
diff --git a/extra/ft_contain_only.c b/extra/ft_contain_only.c
new file mode 100644
index 0000000..4844e79
--- /dev/null
+++ b/extra/ft_contain_only.c
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_contain_only.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/12 16:28:20 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/12 16:31:22 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+int	ft_contain_only(char *str, char c)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] != '\0')
+	{
+		if (str[i] != c)
+			return (0);
+		i++;
+	}
+	return (1);
+}
+
+int	ft_contain_only_str(char *str, char *to_find)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] != '\0')
+	{
+		if (!ft_is_in(to_find, str[i]))
+			return (0);
+		i++;
+	}
+	return (1);
+}
diff --git a/extra/ft_freer.c b/extra/ft_freer.c
new file mode 100644
index 0000000..a010acf
--- /dev/null
+++ b/extra/ft_freer.c
@@ -0,0 +1,58 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_freer.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/08 15:01:40 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/09 17:57:52 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+void	ft_freer_ultimate(size_t len, ...)
+{
+	va_list	va;
+	size_t	i;
+
+	i = 0;
+	va_start(va, len);
+	while (i < len)
+	{
+		free(va_arg(va, char *));
+		i++;
+	}
+	va_end(va);
+}
+
+void	ft_freer_tab(char **tab)
+{
+	size_t	i;
+
+	if (tab == NULL)
+		return ;
+	i = 0;
+	while (tab[i] != NULL)
+	{
+		free(tab[i]);
+		i++;
+	}
+	free(tab);
+}
+
+void	ft_freer_tab_ultimate(size_t len, ...)
+{
+	va_list	va;
+	size_t	i;
+
+	i = 0;
+	va_start(va, len);
+	while (i < len)
+	{
+		ft_freer_tab(va_arg(va, char **));
+		i++;
+	}
+	va_end(va);
+}
diff --git a/extra/ft_is_in.c b/extra/ft_is_in.c
new file mode 100644
index 0000000..bb8a149
--- /dev/null
+++ b/extra/ft_is_in.c
@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_is_in.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/05 20:29:53 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/08 12:15:08 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+int	ft_is_in(char *str, char c)
+{
+	int	i;
+
+	i = 0;
+	while (str[i] != '\0')
+	{
+		if (str[i] == c)
+			return (1);
+		i++;
+	}
+	return (0);
+}
diff --git a/extra/ft_random_generator.c b/extra/ft_random_generator.c
new file mode 100644
index 0000000..6bd07bb
--- /dev/null
+++ b/extra/ft_random_generator.c
@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_random_generator.c                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/09 18:43:27 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/09 20:09:33 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+size_t	ft_random_generator(size_t start, size_t stop)
+{
+	int		fd;
+	char	*line;
+	int		sum;
+	size_t	i;
+
+	fd = open("/dev/random", O_RDONLY);
+	if (fd == -1)
+		return (0);
+	line = ft_calloc(sizeof(char), 10001);
+	if (line == NULL)
+		return (0);
+	read(fd, line, 10000);
+	sum = 0;
+	i = 0;
+	while (i < ft_strlen(line))
+	{
+		sum += (unsigned int) line[i];
+		i++;
+	}
+	free(line);
+	return (sum % (stop - start));
+}
diff --git a/extra/ft_strchri.c b/extra/ft_strchri.c
new file mode 100644
index 0000000..34e03d5
--- /dev/null
+++ b/extra/ft_strchri.c
@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strchri.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/05 19:22:58 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/10 18:30:35 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+ssize_t	ft_strchri(char *str, char c)
+{
+	size_t	i;
+
+	if (str == NULL)
+		return (-1);
+	i = 0;
+	while (str[i] != c && str[i] != '\0')
+		i++;
+	if (str[i] == '\0')
+		return (-1);
+	return (i);
+}
diff --git a/extra/ft_strcmp.c b/extra/ft_strcmp.c
new file mode 100644
index 0000000..3b7265d
--- /dev/null
+++ b/extra/ft_strcmp.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strcmp.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/04 19:20:47 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 13:20:20 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+int	ft_strcmp(char *s1, char *s2)
+{
+	int	i;
+
+	i = 0;
+	while (s1[i] == s2[i] && s1[i] != '\0')
+		i++;
+	return (s1[i] - s2[i]);
+}
diff --git a/extra/ft_strfjoin.c b/extra/ft_strfjoin.c
new file mode 100644
index 0000000..32d41b8
--- /dev/null
+++ b/extra/ft_strfjoin.c
@@ -0,0 +1,42 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strfjoin.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/04 14:06:04 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/10 18:29:59 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+char	*ft_strfjoin(char *s1, char *s2)
+{
+	ssize_t	i;
+	ssize_t	y;
+	char	*out;
+
+	out = ft_calloc((ft_strlen(s1) + ft_strlen(s2) + 1), sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	if (s1 != NULL)
+	{
+		i = -1;
+		while (s1[++i] != '\0')
+			out[i] = s1[i];
+	}
+	free(s1);
+	y = 0;
+	if (s2 != NULL)
+	{
+		y = -1;
+		while (s2[++y] != '\0')
+			out[i + y] = s2[y];
+	}
+	free(s2);
+	out[i + y] = '\0';
+	return (out);
+}
diff --git a/extra/ft_strgen.c b/extra/ft_strgen.c
new file mode 100644
index 0000000..a7d579d
--- /dev/null
+++ b/extra/ft_strgen.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strgen.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/08 12:32:52 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/09 18:04:31 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+char	*ft_strgen(char c, size_t len)
+{
+	char	*out;
+	size_t	i;
+
+	out = ft_calloc((len + 1), sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	while (i < len)
+	{
+		out[i] = c;
+		i++;
+	}
+	out[len] = '\0';
+	return (out);
+}
diff --git a/extra/ft_strmerger.c b/extra/ft_strmerger.c
new file mode 100644
index 0000000..60a6f03
--- /dev/null
+++ b/extra/ft_strmerger.c
@@ -0,0 +1,33 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strmerger.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/04 15:09:15 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/04 15:24:17 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+char	*ft_strmerger(size_t arg_len, ...)
+{
+	va_list	va;
+	char	*out;
+	char	*temp;
+
+	va_start(va, arg_len);
+	out = ft_strjoin(va_arg(va, char *), va_arg(va, char *));
+	while (arg_len > 2)
+	{
+		temp = ft_strjoin(out, va_arg(va, char *));
+		free(out);
+		if (temp == NULL)
+			return (NULL);
+		out = temp;
+		arg_len--;
+	}
+	return (out);
+}
diff --git a/extra/ft_strndup.c b/extra/ft_strndup.c
new file mode 100644
index 0000000..c0fc2aa
--- /dev/null
+++ b/extra/ft_strndup.c
@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strndup.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/26 00:55:44 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 19:27:03 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+char	*ft_strndup(char *src, size_t n)
+{
+	char	*out;
+	size_t	i;
+
+	if (src[0] == '\0')
+		return (NULL);
+	out = ft_calloc(n + 1, sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	while (src[i] != '\0' && i < n)
+	{
+		out[i] = src[i];
+		i++;
+	}
+	return (out);
+}
diff --git a/extra/ft_tabrealloc-5f29f43f.o.tmp b/extra/ft_tabrealloc-5f29f43f.o.tmp
new file mode 100644
index 0000000..e69de29
diff --git a/extra/ft_tabrealloc.c b/extra/ft_tabrealloc.c
new file mode 100644
index 0000000..c575f3f
--- /dev/null
+++ b/extra/ft_tabrealloc.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_tabrealloc.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/05 18:58:48 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/10 18:30:21 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+char	**ft_tabrealloc(char **tab, size_t current_size, size_t new_size)
+{
+	char	**new;
+	size_t	i;
+
+	new = ft_calloc(new_size, sizeof(char *));
+	if (new == NULL)
+		return (NULL);
+	i = 0;
+	while (i < current_size)
+	{
+		new[i] = tab[i];
+		i++;
+	}
+	free(tab);
+	return (new);
+}
diff --git a/extra/ft_ultoa.o b/extra/ft_ultoa.o
new file mode 100644
index 0000000..6786878
Binary files /dev/null and b/extra/ft_ultoa.o differ
diff --git a/extra/ft_ultoa_base.c b/extra/ft_ultoa_base.c
new file mode 100644
index 0000000..33933e5
--- /dev/null
+++ b/extra/ft_ultoa_base.c
@@ -0,0 +1,89 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_ultoa_base.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 13:49:45 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/19 13:01:09 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "extra.h"
+
+static size_t	ft_str_size(unsigned long long n, size_t base_size)
+{
+	size_t			size;
+
+	size = 1;
+	if (n == 0)
+		return (2);
+	while (n != 0)
+	{
+		n = n / base_size;
+		size++;
+	}
+	return (size);
+}
+
+static int	ft_isdup(char *str)
+{
+	char	c;
+	size_t	i;
+
+	while (*str != 0)
+	{
+		c = *str;
+		i = 1;
+		while (str[i] != 0)
+		{
+			if (str[i] == c)
+				return (1);
+			i++;
+		}
+		str++;
+	}
+	return (0);
+}
+
+static size_t	ft_base_size(char *base)
+{
+	size_t	len;
+
+	if (ft_isdup(base))
+		return (0);
+	len = ft_strlen(base);
+	if (len < 2)
+		return (0);
+	return (len);
+}
+
+char	*ft_ultoa_base(unsigned long long n, char *base)
+{
+	size_t			base_size;
+	int				str_size;
+	char			*out;
+	size_t			i;
+
+	if (base == NULL)
+		return (NULL);
+	base_size = ft_base_size(base);
+	if (base_size == 0)
+		return (NULL);
+	str_size = ft_str_size(n, base_size);
+	out = ft_calloc(str_size + 1, sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	if (n == 0)
+		out[0] = base[0];
+	while (n != 0)
+	{
+		out[str_size - 2 - i] = base[n % base_size];
+		n /= base_size;
+		i++;
+	}
+	out[str_size - 1] = '\0';
+	return (out);
+}
diff --git a/gnl/Makefile b/gnl/Makefile
new file mode 100644
index 0000000..c2ce94d
--- /dev/null
+++ b/gnl/Makefile
@@ -0,0 +1,39 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2022/12/14 15:49:18 by cchauvet          #+#    #+#              #
+#    Updated: 2023/01/05 19:22:40 by cchauvet         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+SRCS = get_next_line.c
+
+OBJS = ${SRCS:.c=.o}
+
+NAME = get_next_line.a
+
+CFLAGS = -Wall -Werror -Wextra -g
+
+CC = clang
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+all: $(NAME)
+
+$(NAME): $(OBJS)
+	ar -rc $(NAME) $(OBJS)
+
+clean:
+	rm -f $(OBJS) $(BOBJS)
+
+fclean: clean
+	rm -f $(NAME)
+
+re: fclean all
+
+.PHONY: all bonus clean fclean re
diff --git a/gnl/get_next_line.c b/gnl/get_next_line.c
new file mode 100644
index 0000000..544089b
--- /dev/null
+++ b/gnl/get_next_line.c
@@ -0,0 +1,104 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/26 00:52:47 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 13:07:10 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "get_next_line.h"
+
+char	*ft_getstash(int fd)
+{
+	char	*str;
+	int		readed;
+
+	str = ft_calloc(BUFFER_SIZE + 1, sizeof(char));
+	if (str == NULL)
+		return (NULL);
+	readed = read(fd, str, BUFFER_SIZE);
+	if (readed < 1)
+	{
+		free(str);
+		return (NULL);
+	}
+	return (str);
+}
+
+char	*ft_getline(int fd)
+{
+	char		*stash;
+	char		*buf;
+
+	stash = NULL;
+	buf = NULL;
+	while (ft_strchri(stash, '\n') == -1)
+	{
+		buf = ft_getstash(fd);
+		if (buf == NULL)
+			return (stash);
+		stash = ft_strfjoin(stash, buf);
+		if (stash == NULL)
+			return (NULL);
+	}
+	return (stash);
+}
+
+char	*ft_getreturn(char *str)
+{
+	int	i;
+
+	if (str == NULL)
+		return (NULL);
+	i = ft_strchri(str, '\n') + 1;
+	if (i == 0)
+		i = ft_strlen(str);
+	return (ft_strndup(str, i));
+}
+
+char	*ft_getextra(char *str)
+{
+	int	i;
+	int	j;
+
+	if (str == NULL)
+		return (NULL);
+	i = ft_strchri(str, '\n') + 1;
+	if (i == 0)
+		return (NULL);
+	j = ft_strlen(str + i);
+	return (ft_strndup(str + i, j));
+}
+
+char	*get_next_line(int fd)
+{
+	static char	*stash = NULL;
+	char		*buf1;
+	char		*buf2;
+
+	buf2 = stash;
+	if (ft_strchri(stash, '\n') == -1)
+	{
+		buf1 = ft_getline(fd);
+		buf2 = ft_strfjoin(stash, buf1);
+		if (buf2 == NULL)
+		{
+			free(buf1);
+			return (NULL);
+		}
+	}
+	buf1 = ft_getreturn(buf2);
+	stash = ft_getextra(buf2);
+	free(buf2);
+	if (buf1 == NULL)
+	{
+		free(stash);
+		free(buf1);
+		return (NULL);
+	}
+	return (buf1);
+}
diff --git a/gnl/get_next_line.h b/gnl/get_next_line.h
new file mode 100644
index 0000000..e76be20
--- /dev/null
+++ b/gnl/get_next_line.h
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.h                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/11/14 15:38:06 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/10 18:26:56 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef GET_NEXT_LINE_H
+# define GET_NEXT_LINE_H
+# include <stdlib.h>
+# include <unistd.h>
+# ifndef BUFFER_SIZE
+#  define BUFFER_SIZE 42
+# endif
+# include "../libft/libft.h"
+# include "../extra/extra.h"
+
+char	*get_next_line(int fd);
+
+#endif
diff --git a/gnl/get_next_line_utils.o b/gnl/get_next_line_utils.o
new file mode 100644
index 0000000..fccc944
Binary files /dev/null and b/gnl/get_next_line_utils.o differ
diff --git a/libft/Makefile b/libft/Makefile
new file mode 100644
index 0000000..9a2c3b1
--- /dev/null
+++ b/libft/Makefile
@@ -0,0 +1,87 @@
+:# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2022/09/27 08:39:27 by cchauvet          #+#    #+#              #
+#    Updated: 2023/01/05 17:44:37 by cchauvet         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+CC = clang
+
+SRCS   = ft_isalpha.c \
+		 ft_isdigit.c \
+		 ft_isalnum.c \
+		 ft_isascii.c \
+		 ft_isprint.c \
+	   	 ft_strlen.c \
+		 ft_memset.c \
+		 ft_bzero.c \
+		 ft_memcpy.c \
+		 ft_memmove.c \
+		 ft_strlcpy.c \
+		 ft_strlcat.c \
+		 ft_toupper.c \
+		 ft_tolower.c \
+		 ft_strchr.c \
+		 ft_strrchr.c \
+		 ft_strncmp.c \
+	   	 ft_memchr.c \
+		 ft_memcmp.c \
+		 ft_strnstr.c \
+		 ft_atoi.c \
+		 ft_calloc.c \
+		 ft_strdup.c \
+		 ft_substr.c \
+		 ft_strjoin.c \
+		 ft_strtrim.c \
+		 ft_split.c \
+		 ft_itoa.c \
+		 ft_strmapi.c \
+	   	 ft_striteri.c \
+		 ft_putchar_fd.c \
+		 ft_putstr_fd.c \
+		 ft_putendl_fd.c \
+		 ft_putnbr_fd.c
+
+BSRCS   = ft_lstnew.c \
+		 ft_lstadd_front.c \
+		 ft_lstsize.c \
+		 ft_lstlast.c \
+		 ft_lstadd_back.c \
+		 ft_lstdelone.c \
+		 ft_lstclear.c \
+		 ft_lstiter.c \
+		 ft_lstmap.c
+
+OBJS = $(SRCS:.c=.o)
+
+BOBJS = $(BSRCS:.c=.o)
+
+NAME = libft.a
+
+CFLAGS = -Wall -Werror -Wextra -g
+
+%.o: %.c libft.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+all: $(NAME)
+
+$(NAME): $(OBJS)
+	ar -rc $(NAME) $(OBJS)
+
+bonus: $(OBJS) $(BOBJS) 
+	ar -rc $(NAME) $(OBJS) $(BOBJS) 
+	
+clean:
+	rm -f $(OBJS) $(BOBJS)
+
+fclean: clean
+	rm -f $(NAME)
+
+re: fclean all
+
+.PHONY: all bonus clean fclean re
diff --git a/libft/ft_atoi.c b/libft/ft_atoi.c
new file mode 100644
index 0000000..d0d6a7d
--- /dev/null
+++ b/libft/ft_atoi.c
@@ -0,0 +1,39 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_atoi.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 16:14:34 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 18:15:04 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_atoi(const char *nptr)
+{
+	char	*str;
+	int		out;
+	int		sign;
+
+	str = (char *) nptr;
+	out = 0;
+	while (*str == ' ' || *str == '\f' || *str == '\v' || *str == '\t'
+		|| *str == '\r' || *str == '\n')
+		str++;
+	sign = 1;
+	if (*str == '-' || *str == '+')
+	{
+		if (*str == '-')
+			sign = -1;
+		str++;
+	}
+	while (ft_isdigit(*str))
+	{
+		out = 10 * out + *str - 48;
+		str++;
+	}
+	return (out * sign);
+}
diff --git a/libft/ft_bzero.c b/libft/ft_bzero.c
new file mode 100644
index 0000000..7947aeb
--- /dev/null
+++ b/libft/ft_bzero.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_bzero.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 09:40:13 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 09:41:02 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_bzero(void *s, size_t n)
+{
+	ft_memset(s, 0, n);
+}
diff --git a/libft/ft_calloc.c b/libft/ft_calloc.c
new file mode 100644
index 0000000..398f394
--- /dev/null
+++ b/libft/ft_calloc.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_calloc.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 16:09:01 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/28 17:31:12 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_calloc(size_t nmemb, size_t size)
+{
+	void	*tab;
+
+	if (nmemb != 0 && (size_t)(nmemb * size) / nmemb != size)
+		return (NULL);
+	tab = malloc(nmemb * size);
+	if (tab == NULL)
+		return (NULL);
+	ft_bzero(tab, nmemb * size);
+	return (tab);
+}
diff --git a/libft/ft_isalnum.c b/libft/ft_isalnum.c
new file mode 100644
index 0000000..92bd4f5
--- /dev/null
+++ b/libft/ft_isalnum.c
@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isalnum.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 11:15:04 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/28 17:31:44 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_isalnum(int c)
+{
+	if (('9' >= c && c >= '0')
+		|| ('z' >= c && c >= 'a')
+		|| ('Z' >= c && c >= 'A'))
+		return (1);
+	return (0);
+}
diff --git a/libft/ft_isalpha.c b/libft/ft_isalpha.c
new file mode 100644
index 0000000..9573931
--- /dev/null
+++ b/libft/ft_isalpha.c
@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isalpha.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 11:15:04 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 11:04:58 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_isalpha(int c)
+{
+	if (('z' >= c && c >= 'a') || ('Z' >= c && c >= 'A'))
+		return (1);
+	return (0);
+}
diff --git a/libft/ft_isascii.c b/libft/ft_isascii.c
new file mode 100644
index 0000000..5706106
--- /dev/null
+++ b/libft/ft_isascii.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isascii.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 11:57:55 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/26 13:33:50 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int	ft_isascii(int c)
+{
+	if (c >= 0 && 127 >= c)
+		return (1);
+	return (0);
+}
diff --git a/libft/ft_isdigit.c b/libft/ft_isdigit.c
new file mode 100644
index 0000000..0db99f6
--- /dev/null
+++ b/libft/ft_isdigit.c
@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isdigit.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 11:15:04 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 11:09:19 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_isdigit(int c)
+{
+	if ('9' >= c && c >= '0')
+		return (1);
+	return (0);
+}
diff --git a/libft/ft_isprint.c b/libft/ft_isprint.c
new file mode 100644
index 0000000..fd6d523
--- /dev/null
+++ b/libft/ft_isprint.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isprint.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 11:52:31 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 15:05:17 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_isprint(int c)
+{
+	return (32 <= c && c < 127);
+}
diff --git a/libft/ft_itoa.c b/libft/ft_itoa.c
new file mode 100644
index 0000000..38fe989
--- /dev/null
+++ b/libft/ft_itoa.c
@@ -0,0 +1,55 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 13:49:45 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/09 13:51:09 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int	ft_nb_digit(int n)
+{
+	int	out;
+
+	out = 0;
+	while (n)
+	{
+		n /= 10;
+		out++;
+	}
+	return (out);
+}
+
+char	*ft_itoa(int n)
+{
+	char			*out;
+	unsigned int	nb[2];
+
+	if (!n)
+		return (ft_strdup("0"));
+	nb[0] = ft_nb_digit(n);
+	if (n < 0)
+	{
+		nb[1] = -n;
+		nb[0]++;
+	}
+	else
+		nb[1] = n;
+	out = malloc(sizeof(char) * (nb[0] + 1));
+	if (out == NULL)
+		return (NULL);
+	out[nb[0]--] = 0;
+	if (n < 0)
+		out[0] = '-';
+	while (nb[1])
+	{
+		out[nb[0]--] = nb[1] % 10 + 48;
+		nb[1] /= 10;
+	}
+	return (out);
+}
diff --git a/libft/ft_lstadd_back.c b/libft/ft_lstadd_back.c
new file mode 100644
index 0000000..fdcfd84
--- /dev/null
+++ b/libft/ft_lstadd_back.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstadd_back.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 23:58:34 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/26 18:06:00 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_lstadd_back(t_list **lst, t_list *new)
+{
+	t_list	*last;
+
+	if (lst == NULL || new == NULL)
+		return ;
+	last = ft_lstlast(*lst);
+	if (last == NULL)
+		*lst = new;
+	else
+		last->next = new;
+}
diff --git a/libft/ft_lstadd_front.c b/libft/ft_lstadd_front.c
new file mode 100644
index 0000000..b17cc46
--- /dev/null
+++ b/libft/ft_lstadd_front.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstadd_front.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 23:50:03 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/30 01:08:27 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_lstadd_front(t_list **lst, t_list *new)
+{
+	if (new == NULL)
+		return ;
+	new->next = *lst;
+	*lst = new;
+}
diff --git a/libft/ft_lstclear.c b/libft/ft_lstclear.c
new file mode 100644
index 0000000..e29060a
--- /dev/null
+++ b/libft/ft_lstclear.c
@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstclear.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/30 00:01:05 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/21 14:55:37 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_lstclear(t_list **lst, void (*del)(void *))
+{
+	t_list	*next;
+
+	if (lst == NULL || del == NULL)
+		return ;
+	while (*lst != NULL)
+	{
+		next = (*lst)->next;
+		ft_lstdelone(*lst, del);
+		*lst = next;
+	}
+}
diff --git a/libft/ft_lstdelone.c b/libft/ft_lstdelone.c
new file mode 100644
index 0000000..73ac454
--- /dev/null
+++ b/libft/ft_lstdelone.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstdelone.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/30 00:02:55 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 21:01:41 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_lstdelone(t_list *lst, void (*del)(void *))
+{
+	if (del == NULL || lst == NULL)
+		return ;
+	if (lst != NULL)
+	{
+		if (lst->content != NULL)
+			del(lst->content);
+		free(lst);
+	}
+}
diff --git a/libft/ft_lstiter.c b/libft/ft_lstiter.c
new file mode 100644
index 0000000..1baa94d
--- /dev/null
+++ b/libft/ft_lstiter.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstiter.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/30 00:05:43 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 20:58:18 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_lstiter(t_list *lst, void (*f)(void *))
+{
+	if (f == NULL)
+		return ;
+	while (lst != NULL)
+	{
+		f(lst->content);
+		lst = lst->next;
+	}
+}
diff --git a/libft/ft_lstlast.c b/libft/ft_lstlast.c
new file mode 100644
index 0000000..ba0d9d7
--- /dev/null
+++ b/libft/ft_lstlast.c
@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstlast.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 23:55:52 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/30 01:20:18 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+t_list	*ft_lstlast(t_list *lst)
+{
+	if (lst == NULL)
+		return (NULL);
+	while (lst->next != NULL)
+		lst = lst->next;
+	return (lst);
+}
diff --git a/libft/ft_lstmap.c b/libft/ft_lstmap.c
new file mode 100644
index 0000000..ed99c7c
--- /dev/null
+++ b/libft/ft_lstmap.c
@@ -0,0 +1,39 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstmap.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/30 00:05:05 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 00:08:45 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
+{
+	t_list	*root;
+	t_list	*last;
+
+	if (f == NULL || del == NULL)
+		return (NULL);
+	root = ft_lstnew(f(lst->content));
+	if (root == NULL)
+		return (NULL);
+	last = root;
+	lst = lst->next;
+	while (lst != NULL)
+	{
+		last->next = ft_lstnew(f(lst->content));
+		if (last->next == NULL)
+		{
+			ft_lstclear(&root, del);
+			return (NULL);
+		}
+		lst = lst->next;
+		last = last->next;
+	}
+	return (root);
+}
diff --git a/libft/ft_lstnew.c b/libft/ft_lstnew.c
new file mode 100644
index 0000000..705733e
--- /dev/null
+++ b/libft/ft_lstnew.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstnew.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 23:41:40 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 23:47:50 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+t_list	*ft_lstnew(void *content)
+{
+	t_list	*new;
+
+	new = malloc(sizeof(t_list));
+	if (new == NULL)
+		return (NULL);
+	new->next = NULL;
+	new->content = content;
+	return (new);
+}
diff --git a/libft/ft_lstsize.c b/libft/ft_lstsize.c
new file mode 100644
index 0000000..fa39de9
--- /dev/null
+++ b/libft/ft_lstsize.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstsize.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/30 01:18:08 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/30 01:18:15 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_lstsize(t_list *lst)
+{
+	int	count;
+
+	count = 0;
+	while (lst != NULL)
+	{
+		count++;
+		lst = lst->next;
+	}
+	return (count);
+}
diff --git a/libft/ft_memchr.c b/libft/ft_memchr.c
new file mode 100644
index 0000000..28f3775
--- /dev/null
+++ b/libft/ft_memchr.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memchr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 13:40:09 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 13:59:03 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_memchr(const void *s, int c, size_t n)
+{
+	unsigned char	*tab;
+	size_t			i;
+	unsigned char	tofind;
+
+	tab = (unsigned char *) s;
+	tofind = (unsigned char) c;
+	i = 0;
+	while (i < n)
+	{
+		if (tab[i] == tofind)
+			return (tab + i);
+		i++;
+	}
+	return (NULL);
+}
diff --git a/libft/ft_memcmp.c b/libft/ft_memcmp.c
new file mode 100644
index 0000000..d9460f3
--- /dev/null
+++ b/libft/ft_memcmp.c
@@ -0,0 +1,29 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memcmp.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 14:15:37 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 15:10:56 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_memcmp(const void *s1, const void *s2, size_t n)
+{
+	unsigned char	*str1;
+	unsigned char	*str2;
+	size_t			i;
+
+	if (n == 0)
+		return (0);
+	str1 = (unsigned char *) s1;
+	str2 = (unsigned char *) s2;
+	i = 0;
+	while (str1[i] == str2[i] && i < n - 1)
+		i++;
+	return (str1[i] - str2[i]);
+}
diff --git a/libft/ft_memcpy.c b/libft/ft_memcpy.c
new file mode 100644
index 0000000..ff412ad
--- /dev/null
+++ b/libft/ft_memcpy.c
@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memcpy.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 09:42:11 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 11:50:17 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_memcpy(void *dest, const void *src, size_t n)
+{
+	char	*tab1;
+	char	*tab2;
+	size_t	i;
+
+	if (dest == NULL && src == NULL)
+		return (dest);
+	tab1 = dest;
+	tab2 = (void *) src;
+	i = 0;
+	while (i < n)
+	{
+		tab1[i] = tab2[i];
+		i++;
+	}
+	return (tab1);
+}
diff --git a/libft/ft_memmove.c b/libft/ft_memmove.c
new file mode 100644
index 0000000..84283b8
--- /dev/null
+++ b/libft/ft_memmove.c
@@ -0,0 +1,37 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memmove.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 11:44:12 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 16:40:24 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_memmove(void *dest, const void *src, size_t n)
+{
+	size_t	i;
+	char	*tab1;
+	char	*tab2;
+
+	if (dest == NULL && src == NULL)
+		return (dest);
+	tab1 = dest;
+	tab2 = (void *) src;
+	if (tab1 < tab2)
+		ft_memcpy(dest, src, n);
+	else
+	{
+		i = n;
+		while (0 < i)
+		{
+			i--;
+			tab1[i] = tab2[i];
+		}
+	}
+	return (dest);
+}
diff --git a/libft/ft_memset.c b/libft/ft_memset.c
new file mode 100644
index 0000000..63e27dc
--- /dev/null
+++ b/libft/ft_memset.c
@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memset.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 09:29:51 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/27 09:48:23 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_memset(void *s, int c, size_t n)
+{
+	char	*tab;
+	size_t	i;
+
+	tab = s;
+	i = 0;
+	while (i < n)
+	{
+		tab[i] = c;
+		i++;
+	}
+	return (s);
+}
diff --git a/libft/ft_putchar_fd.c b/libft/ft_putchar_fd.c
new file mode 100644
index 0000000..5e34a25
--- /dev/null
+++ b/libft/ft_putchar_fd.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putchar_fd.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:23:35 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 18:54:54 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_putchar_fd(int fd, char c)
+{
+	write(fd, &c, 1);
+}
diff --git a/libft/ft_putendl_fd.c b/libft/ft_putendl_fd.c
new file mode 100644
index 0000000..29715c8
--- /dev/null
+++ b/libft/ft_putendl_fd.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putendl_fd.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:26:36 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 22:43:19 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_putendl_fd(char *s, int fd)
+{
+	if (s == NULL)
+		return ;
+	ft_putstr_fd(s, fd);
+	ft_putchar_fd('\n', fd);
+}
diff --git a/libft/ft_putnbr_fd.c b/libft/ft_putnbr_fd.c
new file mode 100644
index 0000000..b47899b
--- /dev/null
+++ b/libft/ft_putnbr_fd.c
@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putnbr_fd.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:28:27 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 22:39:25 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_putnbr_fd(int n, int fd)
+{
+	if (n == -2147483648)
+	{
+		ft_putnbr_fd(-2, fd);
+		ft_putnbr_fd(147483648, fd);
+	}
+	else if (n < 0)
+	{
+		ft_putchar_fd('-', fd);
+		ft_putnbr_fd(-n, fd);
+	}
+	else if (n > 9)
+	{
+		ft_putnbr_fd(n / 10, fd);
+		ft_putnbr_fd(n % 10, fd);
+	}
+	else
+		ft_putchar_fd(n + 48, fd);
+}
diff --git a/libft/ft_putstr_fd.c b/libft/ft_putstr_fd.c
new file mode 100644
index 0000000..d8c87d2
--- /dev/null
+++ b/libft/ft_putstr_fd.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putstr_fd.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:25:08 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 22:40:34 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_putstr_fd(char *s, int fd)
+{
+	if (s == NULL)
+		return ;
+	while (*s)
+		write(fd, s++, 1);
+}
diff --git a/libft/ft_split.c b/libft/ft_split.c
new file mode 100644
index 0000000..ed71fc1
--- /dev/null
+++ b/libft/ft_split.c
@@ -0,0 +1,92 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/05 19:04:34 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/06 19:33:51 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	*ft_cancel(char **tab, size_t len)
+{
+	size_t	i;
+
+	if (tab != NULL)
+	{
+		i = 0;
+		while (i < len)
+		{
+			free(tab[i]);
+			i++;
+		}
+		free(tab);
+	}
+	return (NULL);
+}
+
+static size_t	ft_seglen(const char *s, char c)
+{
+	size_t	len;
+
+	if (s == NULL)
+		return (0);
+	len = 0;
+	while (*s != 0)
+	{
+		while (*s == c && *s != 0)
+			s++;
+		if (*s != 0)
+			len++;
+		while (*s != c && *s != 0)
+			s++;
+	}
+	return (len);
+}
+
+static char	**ft_segsplitter(char **tab, size_t len, const char *s, char c)
+{
+	size_t	tab_index;
+	size_t	let_index;
+	size_t	start;
+
+	tab_index = 0;
+	let_index = 0;
+	start = 0;
+	if (tab == NULL || s == NULL)
+		return (NULL);
+	while (tab_index < len)
+	{
+		while (s[let_index] == c && s[let_index] != 0)
+			let_index++;
+		start = let_index;
+		while (s[let_index] != c && s[let_index] != 0)
+			let_index++;
+		tab[tab_index] = ft_substr(s, start, let_index - start);
+		if (tab[tab_index] == NULL)
+			return (ft_cancel(tab, tab_index));
+		tab_index++;
+	}
+	return (tab);
+}
+
+char	**ft_split(const char *s, char c)
+{
+	size_t	len;
+	char	**tab;
+
+	if (s == NULL)
+		return (NULL);
+	len = ft_seglen(s, c);
+	tab = malloc((len + 1) * sizeof(char *));
+	if (tab == NULL)
+		return (NULL);
+	tab[len] = NULL;
+	if (ft_segsplitter(tab, len, s, c) == NULL)
+		return (NULL);
+	return (tab);
+}
diff --git a/libft/ft_strchr.c b/libft/ft_strchr.c
new file mode 100644
index 0000000..8a2bb03
--- /dev/null
+++ b/libft/ft_strchr.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strchr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 14:44:15 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 20:56:37 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strchr(const char *s, int c)
+{
+	while (*s != (char) c)
+	{
+		if (*s == 0)
+			return (NULL);
+		s++;
+	}
+	return ((char *) s);
+}
diff --git a/libft/ft_strdup.c b/libft/ft_strdup.c
new file mode 100644
index 0000000..69b89a4
--- /dev/null
+++ b/libft/ft_strdup.c
@@ -0,0 +1,31 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strdup.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 16:00:49 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/04 23:24:11 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strdup(const char *s)
+{
+	char	*out;
+	size_t	i;
+
+	out = ft_calloc((ft_strlen(s) + 1), sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	while (s[i])
+	{
+		out[i] = s[i];
+		i++;
+	}
+	out[i] = 0;
+	return (out);
+}
diff --git a/libft/ft_striteri.c b/libft/ft_striteri.c
new file mode 100644
index 0000000..f21babb
--- /dev/null
+++ b/libft/ft_striteri.c
@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_striteri.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:21:01 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/04 15:01:00 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_striteri(char *s, void (*f)(unsigned int, char *))
+{
+	size_t	i;
+
+	if (s == NULL)
+		return ;
+	i = 0;
+	while (s[i])
+	{
+		f(i, s + i);
+		i++;
+	}
+}
diff --git a/libft/ft_strjoin.c b/libft/ft_strjoin.c
new file mode 100644
index 0000000..9877388
--- /dev/null
+++ b/libft/ft_strjoin.c
@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strjoin.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 11:20:27 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 11:30:50 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strjoin(const char *s1, const char *s2)
+{
+	char	*out;
+	ssize_t	i;
+	ssize_t	j;
+	size_t	len_s1;
+	size_t	len_s2;
+
+	if (s1 == NULL || s2 == NULL)
+		return (NULL);
+	len_s1 = ft_strlen(s1);
+	len_s2 = ft_strlen(s2);
+	out = malloc(sizeof(char) * (len_s1 + len_s2 + 1));
+	if (out == NULL)
+		return (NULL);
+	i = -1;
+	while (++i < (ssize_t) len_s1)
+		out[i] = s1[i];
+	j = -1;
+	while (++j < (ssize_t) len_s2)
+		out[j + i] = s2[j];
+	out[i + j] = 0;
+	return (out);
+}
diff --git a/libft/ft_strlcat.c b/libft/ft_strlcat.c
new file mode 100644
index 0000000..5ae86cf
--- /dev/null
+++ b/libft/ft_strlcat.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strlcat.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 17:02:13 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 17:11:29 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+size_t	ft_strlcat(char *dest, const char *src, size_t size)
+{
+	size_t	len_dest;
+
+	if (size == 0)
+		return (ft_strlen(src));
+	len_dest = ft_strlen(dest);
+	if (len_dest >= size)
+		return (ft_strlen(src) + (size));
+	return (len_dest + ft_strlcpy(dest + len_dest, src, size - len_dest));
+}
diff --git a/libft/ft_strlcpy.c b/libft/ft_strlcpy.c
new file mode 100644
index 0000000..677264b
--- /dev/null
+++ b/libft/ft_strlcpy.c
@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strlcpy.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 16:24:15 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 17:23:27 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+size_t	ft_strlcpy(char *dst, const char *src, size_t size)
+{
+	size_t	i;
+
+	i = 0;
+	while (i + 1 < size && src[i])
+	{
+		dst[i] = src[i];
+		i++;
+	}
+	if (size)
+		dst[i] = 0;
+	return (ft_strlen(src));
+}
diff --git a/libft/ft_strlen.c b/libft/ft_strlen.c
new file mode 100644
index 0000000..12813a2
--- /dev/null
+++ b/libft/ft_strlen.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strlen.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 12:03:59 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 17:46:12 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+size_t	ft_strlen(const char *s)
+{
+	size_t	length;
+
+	if (s == NULL)
+		return (0);
+	length = 0;
+	while (s[length])
+		length++;
+	return (length);
+}
diff --git a/libft/ft_strmapi.c b/libft/ft_strmapi.c
new file mode 100644
index 0000000..de9e4a1
--- /dev/null
+++ b/libft/ft_strmapi.c
@@ -0,0 +1,33 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strmapi.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:01:18 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/30 00:53:55 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
+{
+	char	*out;
+	size_t	i;
+
+	if (s == NULL)
+		return (NULL);
+	out = malloc((ft_strlen(s) + 1) * sizeof(char));
+	if (out == NULL)
+		return (NULL);
+	i = 0;
+	while (s[i])
+	{
+		out[i] = f(i, s[i]);
+		i++;
+	}
+	out[i] = 0;
+	return (out);
+}
diff --git a/libft/ft_strncmp.c b/libft/ft_strncmp.c
new file mode 100644
index 0000000..ade812a
--- /dev/null
+++ b/libft/ft_strncmp.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strncmp.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 08:30:26 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 17:29:56 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_strncmp(const char *s1, const char *s2, size_t n)
+{
+	size_t	i;
+
+	if (n == 0)
+		return (0);
+	i = 0;
+	while (s1[i] == s2[i] && i < n - 1 && s1[i] && s2[i])
+		i++;
+	return ((unsigned char) s1[i] - (unsigned char) s2[i]);
+}
diff --git a/libft/ft_strnstr.c b/libft/ft_strnstr.c
new file mode 100644
index 0000000..750195c
--- /dev/null
+++ b/libft/ft_strnstr.c
@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strnstr.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 13:39:33 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 21:10:21 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strnstr(const char *big, const char *little, size_t len)
+{
+	size_t	i;
+	size_t	j;
+
+	if (!*little || (little == big && ft_strlen(little) <= len))
+		return ((char *) big);
+	i = 0;
+	while (i < len && big[i])
+	{
+		j = 0;
+		while (big[i + j] == little[j] && i + j < len)
+		{
+			if (!little[j + 1])
+				return ((char *) big + i);
+			j++;
+		}
+		i++;
+	}
+	return (NULL);
+}
diff --git a/libft/ft_strrchr.c b/libft/ft_strrchr.c
new file mode 100644
index 0000000..3693db7
--- /dev/null
+++ b/libft/ft_strrchr.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strrchr.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/27 08:25:33 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 20:50:49 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strrchr(const char *s, int c)
+{
+	size_t	i;
+
+	i = ft_strlen(s) + 1;
+	while (i-- > 0)
+		if (s[i] == (char) c)
+			return ((char *) s + i);
+	return (NULL);
+}
diff --git a/libft/ft_strtrim.c b/libft/ft_strtrim.c
new file mode 100644
index 0000000..229cb81
--- /dev/null
+++ b/libft/ft_strtrim.c
@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strtrim.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 11:33:53 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/29 18:03:20 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int	ft_is_in(const char c, const char *charset)
+{
+	while (*charset)
+	{
+		if (c == *charset)
+			return (1);
+		charset++;
+	}
+	return (0);
+}
+
+char	*ft_strtrim(const char *s1, const char *set)
+{
+	size_t	start;
+	size_t	stop;
+	char	*str;
+
+	if (s1 == NULL || set == NULL)
+		return (NULL);
+	if (!*s1 || !*s1)
+		return (ft_strdup(""));
+	start = 0;
+	while (ft_is_in(s1[start], set))
+		start++;
+	stop = ft_strlen(s1) - 1;
+	while (ft_is_in(s1[stop], set))
+		stop--;
+	str = ft_substr(s1, start, stop - start + 1);
+	return (str);
+}
diff --git a/libft/ft_substr.c b/libft/ft_substr.c
new file mode 100644
index 0000000..3200ce9
--- /dev/null
+++ b/libft/ft_substr.c
@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_substr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/28 18:53:44 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/05 20:53:19 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_substr(char const *s, unsigned int start, size_t len)
+{
+	ssize_t	size;
+	char	*ptr;
+
+	if (s == NULL)
+		return (NULL);
+	size = ft_strlen(s);
+	size -= start;
+	if (size < 0)
+		size = 0;
+	if ((size_t)size > len)
+		size = len;
+	ptr = malloc((size + 1) * sizeof(char));
+	if (ptr == NULL)
+		return (NULL);
+	ptr[size] = '\0';
+	while (size-- > 0)
+		ptr[size] = s[start + size];
+	return (ptr);
+}
diff --git a/libft/ft_tolower.c b/libft/ft_tolower.c
new file mode 100644
index 0000000..14d83da
--- /dev/null
+++ b/libft/ft_tolower.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_tolower.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 12:38:07 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 16:41:24 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_tolower(int c)
+{
+	return (c - ('A' - 'a') * (c >= 'A' && 'Z' >= c));
+}
diff --git a/libft/ft_toupper.c b/libft/ft_toupper.c
new file mode 100644
index 0000000..3775f6d
--- /dev/null
+++ b/libft/ft_toupper.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_toupper.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 12:38:07 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/09/28 15:08:58 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+int	ft_toupper(int c)
+{
+	return (c + ('A' - 'a') * (c >= 'a' && 'z' >= c));
+}
diff --git a/libft/libft.h b/libft/libft.h
new file mode 100644
index 0000000..3c98b38
--- /dev/null
+++ b/libft/libft.h
@@ -0,0 +1,71 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   libft.h                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 14:47:54 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/06 19:34:13 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LIBFT_H
+# define LIBFT_H
+# include <stdlib.h>
+# include <unistd.h>
+
+void	*ft_cancel(char **tab, size_t len);
+int		ft_atoi(const char *nptr);
+void	ft_bzero(void *s, size_t n);
+void	*ft_calloc(size_t nmemb, size_t size);
+int		ft_isalnum(int c);
+int		ft_isalpha(int c);
+int		ft_isascii(int c);
+int		ft_isdigit(int c);
+int		ft_isprint(int c);
+void	*ft_memchr(const void *s, int c, size_t n);
+int		ft_memcmp(const void *s1, const void *s2, size_t n);
+void	*ft_memcpy(void *dest, const void *src, size_t n);
+void	*ft_memmove(void *dest, const void *src, size_t n);
+void	*ft_memset(void *s, int c, size_t n);
+char	*ft_strchr(const char *s, int c);
+char	*ft_strdup(const char *s);
+size_t	ft_strlcat(char *dst, const char *src, size_t size);
+size_t	ft_strlcpy(char *dst, const char *src, size_t size);
+size_t	ft_strlen(const char *s);
+int		ft_strncmp(const char *s1, const char *s2, size_t n);
+char	*ft_strnstr(const char *big, const char *little, size_t len);
+char	*ft_strrchr(const char *s, int c);
+int		ft_tolower(int c);
+int		ft_toupper(int c);
+
+char	*ft_substr(char const *s, unsigned int start, size_t len);
+char	*ft_strjoin(char const *s1, char const *s2);
+char	*ft_strtrim(char const *s1, char const *set);
+char	**ft_split(char const *s, char c);
+char	*ft_itoa(int n);
+char	*ft_strmapi(char const *s, char (*f)(unsigned int, char));
+void	ft_striteri(char *s, void (*f)(unsigned int, char*));
+void	ft_putchar_fd(int fd, char c);
+void	ft_putstr_fd(char *s, int fd);
+void	ft_putendl_fd(char *s, int fd);
+void	ft_putnbr_fd(int n, int fd);
+
+typedef struct s_list
+{
+	void			*content;
+	struct s_list	*next;
+}	t_list;
+
+t_list	*ft_lstnew(void *content);
+void	ft_lstadd_front(t_list **lst, t_list *nouveau);
+int		ft_lstsize(t_list *lst);
+t_list	*ft_lstlast(t_list *lst);
+void	ft_lstadd_back(t_list **lst, t_list *nouveau);
+void	ft_lstdelone(t_list *lst, void (*del)(void *));
+void	ft_lstclear(t_list **lst, void (*del)(void *));
+void	ft_lstiter(t_list *lst, void (*f)(void *));
+t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
+
+#endif
diff --git a/libftx.h b/libftx.h
new file mode 100644
index 0000000..e9d6a7a
--- /dev/null
+++ b/libftx.h
@@ -0,0 +1,89 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   libftx.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 14:47:54 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/18 19:21:40 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LIBFTX_H
+# define LIBFTX_H
+# include <stdlib.h>
+# include <unistd.h>
+# include <stdarg.h>
+
+char	*ft_ultoa_base(unsigned long long n, char *base);
+int		ft_printf(const char *format, ...);
+char	*get_next_line(int fd);
+size_t	ft_random_generator(size_t start, size_t stop);
+void	ft_freer_tab_ultimate(size_t len, ...);
+void	ft_freer_ultimate(size_t len, ...);
+char	*ft_strgen(char c, size_t len);
+int		ft_is_in(char *str, char c);
+char	**ft_tabrealloc(char **tab, size_t current_size, size_t new_size);
+int		ft_contain_only_str(char *str, char *to_find);
+int		ft_contain_only(char *str, char c);
+char	*ft_strfjoin(char *s1, char *s2);
+char	*ft_strmerger(size_t arg_len, ...);
+int		ft_strcmp(char *s1, char *s2);
+ssize_t	ft_strchri(char *str, char c);
+char	*ft_strndup(char *src, size_t n);
+
+void	*ft_cancel(char **tab, size_t len);
+int		ft_atoi(const char *nptr);
+void	ft_bzero(void *s, size_t n);
+void	*ft_calloc(size_t nmemb, size_t size);
+int		ft_isalnum(int c);
+int		ft_isalpha(int c);
+int		ft_isascii(int c);
+int		ft_isdigit(int c);
+int		ft_isprint(int c);
+void	*ft_memchr(const void *s, int c, size_t n);
+int		ft_memcmp(const void *s1, const void *s2, size_t n);
+void	*ft_memcpy(void *dest, const void *src, size_t n);
+void	*ft_memmove(void *dest, const void *src, size_t n);
+void	*ft_memset(void *s, int c, size_t n);
+char	*ft_strchr(const char *s, int c);
+char	*ft_strdup(const char *s);
+size_t	ft_strlcat(char *dst, const char *src, size_t size);
+size_t	ft_strlcpy(char *dst, const char *src, size_t size);
+size_t	ft_strlen(const char *s);
+int		ft_strncmp(const char *s1, const char *s2, size_t n);
+char	*ft_strnstr(const char *big, const char *little, size_t len);
+char	*ft_strrchr(const char *s, int c);
+int		ft_tolower(int c);
+int		ft_toupper(int c);
+
+char	*ft_substr(char const *s, unsigned int start, size_t len);
+char	*ft_strjoin(char const *s1, char const *s2);
+char	*ft_strtrim(char const *s1, char const *set);
+char	**ft_split(char const *s, char c);
+char	*ft_itoa(int n);
+char	*ft_strmapi(char const *s, char (*f)(unsigned int, char));
+void	ft_striteri(char *s, void (*f)(unsigned int, char*));
+void	ft_putchar_fd(int fd, char c);
+void	ft_putstr_fd(int fd, char *s);
+void	ft_putendl_fd(int fd, char *s);
+void	ft_putnbr_fd(int fd, int n);
+
+typedef struct s_list
+{
+	void			*content;
+	struct s_list	*next;
+}	t_list;
+
+t_list	*ft_lstnew(void *content);
+void	ft_lstadd_front(t_list **lst, t_list *nouveau);
+int		ft_lstsize(t_list *lst);
+t_list	*ft_lstlast(t_list *lst);
+void	ft_lstadd_back(t_list **lst, t_list *nouveau);
+void	ft_lstdelone(t_list *lst, void (*del)(void *));
+void	ft_lstclear(t_list **lst, void (*del)(void *));
+void	ft_lstiter(t_list *lst, void (*f)(void *));
+t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
+
+#endif
diff --git a/printf/Makefile b/printf/Makefile
new file mode 100644
index 0000000..7be75df
--- /dev/null
+++ b/printf/Makefile
@@ -0,0 +1,39 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2022/09/27 08:39:27 by cchauvet          #+#    #+#              #
+#    Updated: 2023/01/05 18:25:05 by cchauvet         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+CC = clang
+
+SRCS   = ft_dprintarg.c ft_dprintflag.c ft_dprintl_base.c ft_dprintptr.c ft_dprintstrtab.c ft_dprintul_base.c ft_dprintul.c ft_dprintx.c ft_dprintX.c ft_isarg.c ft_isdigit.c ft_printf.c ft_putchar_fd.c ft_putstr_fd.c ft_skipflag.c ft_strlen.c ft_vdprintf.c
+
+OBJS = ${SRCS:.c=.o}
+
+NAME = ft_printf.a
+
+CFLAG = -Wall -Werror -Wextra -g
+
+%.o: %.c 
+	${CC} ${CFLAG} -c -o $@ $<
+
+all: ${NAME}
+
+${NAME}: ${OBJS}
+	ar -rc ${NAME} ${OBJS}
+
+clean:
+	rm -f ${OBJS} ${BOBJS}
+
+fclean: clean
+	rm -f ${NAME}
+
+re: fclean all
+
+.PHONY: all clean fclean re
diff --git a/printf/ft_dprintX.c b/printf/ft_dprintX.c
new file mode 100644
index 0000000..89a2266
--- /dev/null
+++ b/printf/ft_dprintX.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintX.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/23 17:44:38 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/23 18:22:43 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprint_upperx(int fd, unsigned int n)
+{
+	return (ft_dprintul_base(fd, n, "0123456789ABCDEF"));
+}
diff --git a/printf/ft_dprintarg.c b/printf/ft_dprintarg.c
new file mode 100644
index 0000000..18db1d5
--- /dev/null
+++ b/printf/ft_dprintarg.c
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintarg.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/23 18:08:31 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 17:37:12 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintarg(int fd, int arg, va_list args)
+{
+	if (arg == 'i' || arg == 'd')
+		return (ft_dprintl_base(fd, va_arg(args, int), "0123456789"));
+	if (arg == 'X')
+		return (ft_dprint_upperx(fd, va_arg(args, unsigned int)));
+	if (arg == 'x')
+		return (ft_dprintx(fd, va_arg(args, unsigned int)));
+	if (arg == 'u')
+		return (ft_dprintul(fd, va_arg(args, unsigned int)));
+	if (arg == 'c')
+		return (ft_putchar_fd(fd, va_arg(args, int)));
+	if (arg == 'S')
+		return (ft_dprintstrtab(fd, va_arg(args, char **)));
+	if (arg == 's')
+		return (ft_putstr_fd(fd, va_arg(args, char *)));
+	if (arg == '%')
+		return (ft_putchar_fd(fd, '%'));
+	if (arg == 'p')
+		return (ft_dprintptr(fd, va_arg(args, void *)));
+	return (0);
+}
diff --git a/printf/ft_dprintflag.c b/printf/ft_dprintflag.c
new file mode 100644
index 0000000..7f2c9f8
--- /dev/null
+++ b/printf/ft_dprintflag.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintflag.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/11 16:30:39 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/23 18:59:55 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintflag(int fd, const char *flag, va_list va)
+{
+	if (ft_skipflag(flag) == 0)
+		return (-1);
+	flag++;
+	while (ft_isdigit(flag[0]))
+		flag += 1;
+	return (ft_dprintarg(fd, flag[0], va));
+}
diff --git a/printf/ft_dprintl_base.c b/printf/ft_dprintl_base.c
new file mode 100644
index 0000000..4411d58
--- /dev/null
+++ b/printf/ft_dprintl_base.c
@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintl_base.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/10 03:26:21 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/21 15:54:31 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintl_base(int fd, long long int n, char *base)
+{
+	int				i;
+	unsigned long	nb;
+
+	if (base == NULL)
+		return (-1);
+	i = 0;
+	if (n < 0)
+	{
+		nb = -n;
+		i += ft_putchar_fd(fd, '-');
+	}
+	else
+		nb = n;
+	i += ft_dprintul_base(fd, nb, base);
+	if (i < 1)
+		return (-1);
+	return (i);
+}
diff --git a/printf/ft_dprintptr.c b/printf/ft_dprintptr.c
new file mode 100644
index 0000000..4a9a735
--- /dev/null
+++ b/printf/ft_dprintptr.c
@@ -0,0 +1,27 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintptr.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/06 17:41:04 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/12 15:22:40 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintptr(int fd, void *ptr)
+{
+	unsigned long	address;
+	int				i;
+
+	if (ptr == NULL)
+		return (ft_putstr_fd(fd, "(nil)"));
+	address = (unsigned long) ptr;
+	i = 2;
+	ft_putstr_fd(fd, "0x");
+	i += ft_dprintul_base(fd, address, "0123456789abcdef");
+	return (i);
+}
diff --git a/printf/ft_dprintstrtab.c b/printf/ft_dprintstrtab.c
new file mode 100644
index 0000000..7055512
--- /dev/null
+++ b/printf/ft_dprintstrtab.c
@@ -0,0 +1,29 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintstrtab.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/01/05 17:26:55 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 18:52:56 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintstrtab(int fd, char **tab)
+{
+	size_t	index;
+	int		i;
+
+	i = 0;
+	index = 0;
+	while (tab[index] != NULL)
+	{
+		i += ft_putstr_fd(fd, tab[index]) + 1;
+		ft_putchar_fd(fd, '\n');
+		index++;
+	}
+	return (i);
+}
diff --git a/printf/ft_dprintul.c b/printf/ft_dprintul.c
new file mode 100644
index 0000000..db01ebb
--- /dev/null
+++ b/printf/ft_dprintul.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintul.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/12 15:46:14 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/21 15:53:07 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintul(int fd, unsigned long long n)
+{
+	return (ft_dprintul_base(fd, n, "0123456789"));
+}
diff --git a/printf/ft_dprintul_base.c b/printf/ft_dprintul_base.c
new file mode 100644
index 0000000..6fe6a02
--- /dev/null
+++ b/printf/ft_dprintul_base.c
@@ -0,0 +1,81 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintul_base.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 13:49:45 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/23 14:23:44 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+static size_t	ft_str_size(unsigned long long n, size_t base_size)
+{
+	size_t			size;
+
+	size = 1;
+	if (n == 0)
+		return (2);
+	while (n != 0)
+	{
+		n = n / base_size;
+		size++;
+	}
+	return (size);
+}
+
+static int	ft_isdup(char *str)
+{
+	char	c;
+	size_t	i;
+
+	while (*str != 0)
+	{
+		c = *str;
+		i = 1;
+		while (str[i] != 0)
+		{
+			if (str[i] == c)
+				return (1);
+			i++;
+		}
+		str++;
+	}
+	return (0);
+}
+
+static size_t	ft_base_size(char *base)
+{
+	size_t	len;
+
+	if (ft_isdup(base))
+		return (0);
+	len = ft_strlen(base);
+	if (len < 2)
+		return (0);
+	return (len);
+}
+
+int	ft_dprintul_base(int fd, unsigned long long n, char *base)
+{
+	size_t			base_size;
+	int				str_size;
+
+	if (base == NULL)
+		return (-1);
+	base_size = ft_base_size(base);
+	if (base_size == 0)
+		return (-1);
+	str_size = ft_str_size(n, base_size);
+	if (n > base_size - 1)
+	{
+		ft_dprintul_base(fd, n / base_size, base);
+		ft_putchar_fd(fd, base[n % base_size]);
+	}
+	else
+		ft_putchar_fd(fd, base[n]);
+	return (str_size - 1);
+}
diff --git a/printf/ft_dprintx.c b/printf/ft_dprintx.c
new file mode 100644
index 0000000..6d6de6e
--- /dev/null
+++ b/printf/ft_dprintx.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_dprintx.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/23 17:44:38 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/23 18:04:56 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_dprintx(int fd, unsigned int n)
+{
+	return (ft_dprintul_base(fd, n, "0123456789abcdef"));
+}
diff --git a/printf/ft_isarg.c b/printf/ft_isarg.c
new file mode 100644
index 0000000..cf38e79
--- /dev/null
+++ b/printf/ft_isarg.c
@@ -0,0 +1,29 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isarg.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/11 22:37:41 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 18:26:24 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_isarg(int c)
+{
+	char	*flags;
+
+	if (c == '\0')
+		return (1);
+	flags = "cspdiuxX%S";
+	while (*flags)
+	{
+		if (*flags == c)
+			return (1);
+		flags++;
+	}
+	return (0);
+}
diff --git a/printf/ft_isdigit.c b/printf/ft_isdigit.c
new file mode 100644
index 0000000..5464316
--- /dev/null
+++ b/printf/ft_isdigit.c
@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isdigit.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/11 16:34:14 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/11 16:35:40 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_isdigit(int c)
+{
+	if (c <= '9' && c >= '0')
+		return (1);
+	return (0);
+}
diff --git a/printf/ft_printf.c b/printf/ft_printf.c
new file mode 100644
index 0000000..80cedbe
--- /dev/null
+++ b/printf/ft_printf.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_printf.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/06 22:01:28 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/12 16:34:31 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_printf(const char *format, ...)
+{
+	va_list	va;
+	int		i;
+
+	va_start(va, format);
+	i = ft_vdprintf(1, format, va);
+	va_end(va);
+	return (i);
+}
diff --git a/printf/ft_printf.h b/printf/ft_printf.h
new file mode 100644
index 0000000..cc3c960
--- /dev/null
+++ b/printf/ft_printf.h
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_printf.h                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/26 14:47:54 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/01/05 17:36:39 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef FT_PRINTF_H
+# define FT_PRINTF_H
+# include <unistd.h>
+# include <stdarg.h>
+
+size_t	ft_strlen(const char *s);
+char	*ft_strchr(const char *s, int c);
+int		ft_isdigit(int c);
+int		ft_skipflag(const char *str);
+int		ft_isarg(int c);
+
+int		ft_dprintptr(int fd, void *ptr);
+int		ft_dprintl_base(int fd, long long n, char *base);
+int		ft_dprintul_base(int fd, unsigned long long n, char *base);
+int		ft_dprintul(int fd, unsigned long long n);
+int		ft_dprintx(int fd, unsigned int n);
+int		ft_dprint_upperx(int fd, unsigned int n);
+int		ft_dprintflag(int fd, const char *flag, va_list va);
+int		ft_dprintarg(int fd, int c, va_list va);
+int		ft_dprintstrtab(int fd, char **tab);
+
+int		ft_printf(const char *format, ...);
+
+int		ft_vdprintf(int fd, const char *format, va_list va);
+
+int		ft_putchar_fd(int fd, char c);
+int		ft_putstr_fd(int fd, char *str);
+
+#endif
diff --git a/printf/ft_putchar_fd.c b/printf/ft_putchar_fd.c
new file mode 100644
index 0000000..d509e9c
--- /dev/null
+++ b/printf/ft_putchar_fd.c
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putchar_fd.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:23:35 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/12 15:21:42 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_putchar_fd(int fd, char c)
+{
+	write(fd, &c, 1);
+	return (1);
+}
diff --git a/printf/ft_putstr_fd.c b/printf/ft_putstr_fd.c
new file mode 100644
index 0000000..c3c6f3c
--- /dev/null
+++ b/printf/ft_putstr_fd.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putstr_fd.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/29 22:25:08 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/12 16:51:51 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_putstr_fd(int fd, char *str)
+{
+	int	i;
+
+	if (str == NULL)
+		str = "(null)";
+	i = 0;
+	while (str[i] != '\0')
+		ft_putchar_fd(fd, str[i++]);
+	return (i);
+}
diff --git a/printf/ft_skipflag.c b/printf/ft_skipflag.c
new file mode 100644
index 0000000..30c9668
--- /dev/null
+++ b/printf/ft_skipflag.c
@@ -0,0 +1,30 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_skipflag.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/12 14:47:52 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/12 16:14:07 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+int	ft_skipflag(const char *str)
+{
+	size_t	i;
+
+	i = 0;
+	if (str[i] != '%')
+		return (0);
+	i++;
+	if (str[i] == '\0')
+		return (-1);
+	while (ft_isdigit(str[i]))
+		i++;
+	if (ft_isarg(str[i]))
+		return (i + 1);
+	return (0);
+}
diff --git a/printf/ft_strlen.c b/printf/ft_strlen.c
new file mode 100644
index 0000000..bf3de9b
--- /dev/null
+++ b/printf/ft_strlen.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strlen.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/06 17:39:05 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/10/11 00:01:22 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+size_t	ft_strlen(const char *s)
+{
+	size_t	i;
+
+	if (s == NULL)
+		return (0);
+	i = 0;
+	while (s[i])
+		i++;
+	return (i);
+}
diff --git a/printf/ft_vdprintf.c b/printf/ft_vdprintf.c
new file mode 100644
index 0000000..1f33105
--- /dev/null
+++ b/printf/ft_vdprintf.c
@@ -0,0 +1,54 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_vdprintf.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/12 14:34:28 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/12/11 19:23:34 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+static int	ft_dprintseg(int fd, const char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i] != '\0' && ft_skipflag(str + i) == 0)
+	{
+		ft_putchar_fd(fd, str[i]);
+		i++;
+	}
+	return (i);
+}
+
+int	ft_vdprintf(int fd, const char *format, va_list va)
+{
+	int			i;
+	int			upi;
+
+	if (format == NULL)
+		return (-1);
+	i = 0;
+	while (format[0] != 0)
+	{
+		if (ft_skipflag(format) == 0)
+		{
+			upi = ft_dprintseg(fd, format);
+			format += upi;
+			i += upi;
+		}
+		else
+		{
+			upi = ft_dprintflag(fd, format, va);
+			if (upi == -1)
+				return (-1);
+			format += ft_skipflag(format);
+			i += upi;
+		}
+	}
+	return (i);
+}
diff --git a/printf/libftprintf.a b/printf/libftprintf.a
new file mode 100644
index 0000000..968fe3a
Binary files /dev/null and b/printf/libftprintf.a differ