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Correction/dfdgdf/ex04/ft_strstr.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strstr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jmendez <marvin@42.fr>                     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/07/21 12:35:36 by jmendez           #+#    #+#             */
+/*   Updated: 2022/07/25 16:56:29 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+
+char	*ft_strstr(char *str, char *to_find)
+{
+	int		i;
+	int		j;
+
+	i = 0;
+	j = 0;
+	if (to_find[j] == '\0')
+		return (str);
+	while (str[i] != '\0')
+	{
+		if (str[i] == to_find[j])
+		{
+			while (str[i] == to_find[j])
+			{
+				i++;
+				j++;
+				if (to_find[j] == '\0')
+					return (&str[i - j]);
+			}
+			i = i - j;
+		}
+		j = 0;
+		i++;
+	}
+	return (NULL);
+}
+
+#include <stdio.h>
+#include <string.h>
+
+
+int	main (void) {
+	char	haystack1[20] = "TutorialsPoint";
+	char	needle1[10] = "Pint";
+	char	*ret1;
+
+	ret1 = strstr(haystack1, needle1);
+	
+	printf("The substring is: %s\n", ret1);
+
+
+	printf("\n");
+
+
+	char	haystack2[20] = "TutorialsPoint";
+        char	needle2[10] = "Pint";
+        char	*ret2;
+
+        ret2 = ft_strstr(haystack2, needle2);
+
+        printf("The substring is: %s\n", ret2);
+
+	return(0);
+}
+