diff --git a/src/atoi.🗿 b/src/atoi.🗿
index 9d37aa5..207c6ca 100644
--- a/src/atoi.🗿
+++ b/src/atoi.🗿
@@ -1,23 +1,21 @@
 atoi(str)
 {
-	local i;
-	local sign;
-	local out;
-	out = 0;
-	sign = 0;
-	i = 0;
+	local i = 0;
+	local sign = 0;
+	local out = 0;
+
 	loop {
 		if ([str + i] == '-')
 			sign = sign == 0;
 		else if ([str + i] != '+')
 			break;
-		i = i + 1;
+		i++;
 	}
 	loop {
 		if ([str + i] == 0 | isdigit([str + i]) == 0)
 			break;
 		out = out * 10 + [str + i] - '0';
-		i = i + 1;
+		i++;
 	}
 	if (sign)
 		return (0 - out);
diff --git a/src/itoa.🗿 b/src/itoa.🗿
index 81a562e..8a4f92d 100644
--- a/src/itoa.🗿
+++ b/src/itoa.🗿
@@ -1,8 +1,7 @@
 itoa_get_size(number)
 {
-	local size;
+	local size = 0;
 	
-	size = 0;
 	if (number == 0)
 		size++;
 	loop 
diff --git a/src/memset.🗿 b/src/memset.🗿
index 4d57e7b..a654035 100644
--- a/src/memset.🗿
+++ b/src/memset.🗿
@@ -1,11 +1,10 @@
 memset(tab, size, value)
 {
-	local i;
-	i = 0;
+	local i = 0;
+
 	loop {
 		if (i == size)
 			return (tab);
-		[tab + i] = value;
-		i = i + 1;
+		[tab + i++] = value;
 	}
 }
diff --git a/src/putchar.🗿 b/src/putchar.🗿
index 7514988..ef07773 100644
--- a/src/putchar.🗿
+++ b/src/putchar.🗿
@@ -1,3 +1 @@
-putchar(c){
-	wrt c;
-}
+putchar(c) wrt c;
diff --git a/src/putstr.🗿 b/src/putstr.🗿
index b0d64ae..3fd0f4a 100644
--- a/src/putstr.🗿
+++ b/src/putstr.🗿
@@ -1,11 +1,10 @@
 putstr(str)
 {
-	local i;
-	i = 0;
+	local i = 0;
 	loop {
 		if ([str + i] == 0)
 			return;
 		putchar([str + i]);
-		i = i + 1;
+		i++;
 	}
 }
diff --git a/src/strcat.🗿 b/src/strcat.🗿
index 26c97f9..bba521c 100644
--- a/src/strcat.🗿
+++ b/src/strcat.🗿
@@ -1,18 +1,17 @@
 strcat(dst, src)
 {
-	local i;
-	local j;
-	i = 0;
+	local i = 0;
+	local j = 0;
+
 	loop {
 		if ([dst + i] == 0)
 			break;
-		i = i + 1;
+		i++;
 	}
-	j = 0;
 	loop {
 		if ([src + j] == 0)
 			return (dst);
 		[dst + i + j] = [src + j];
-		j = j + 1;
+		j++;
 	}
 }
diff --git a/src/strchr.🗿 b/src/strchr.🗿
index c778d15..0bc990e 100644
--- a/src/strchr.🗿
+++ b/src/strchr.🗿
@@ -1,12 +1,12 @@
 strchr(str, c)
 {
-	local i;
-	i = 0;
+	local i = 0;
+
 	loop {
 		if ([str + i] == c)
 			return (str + i);
 		if ([str + i] == 0)
 			return (0);
-		i = i + 1;
+		i++;
 	}
 }
diff --git a/src/strcmp.🗿 b/src/strcmp.🗿
index f5635a1..e59643a 100644
--- a/src/strcmp.🗿
+++ b/src/strcmp.🗿
@@ -1,10 +1,8 @@
 strcmp(s1, s2)
 {
-	local i;
+	local i = 0;
 
-	i = 0;
-	loop
-	{
+	loop {
 		if ([s1 + i] != [s2 + i] | [s1 + i] == 0 | [s2 + i] == 0)
 			return ([s1 + i] - [s2 + i]);
 		i++;
diff --git a/src/strcpy.🗿 b/src/strcpy.🗿
index 84b80f1..b6da2b2 100644
--- a/src/strcpy.🗿
+++ b/src/strcpy.🗿
@@ -1,11 +1,11 @@
 strcpy(dst, src)
 {
-	local i;
-	i = 0;
+	local i = 0;
+
 	loop {
 		if ([src + i] == 0)
 			return (dst);
 		[dst + i] = [src + i];
-		i = i + 1;
+		i++;
 	}
 }
diff --git a/src/strlen.🗿 b/src/strlen.🗿
index f7d9911..5d72e92 100644
--- a/src/strlen.🗿
+++ b/src/strlen.🗿
@@ -1,9 +1,9 @@
 strlen(str) {
-	local i;
-	i = 0;
+	local i = 0;
+
 	loop {
 		if ([str + i] == 0)
 			return (i);
-		i = i + 1;
+		i++;
 	}
 }
diff --git a/src/strncmp.🗿 b/src/strncmp.🗿
index fdadccb..72aec94 100644
--- a/src/strncmp.🗿
+++ b/src/strncmp.🗿
@@ -2,12 +2,12 @@ strncmp(s1, s2, n)
 {
 	local i;
 
-	if (n == 0)
+	if (n-- == 0)
 		return (0);
 	i = 0;
 	loop
 	{
-		if (i == n - 1 | [s1 + i] != [s2 + i] | [s1 + i] == 0 | [s2 + i] == 0)
+		if (i == n | [s1 + i] != [s2 + i] | [s1 + i] == 0 | [s2 + i] == 0)
 			return ([s1 + i] - [s2 + i]);
 		i++;
 	}
diff --git a/src/strncpy.🗿 b/src/strncpy.🗿
index 7c13477..28c477a 100644
--- a/src/strncpy.🗿
+++ b/src/strncpy.🗿
@@ -1,11 +1,11 @@
 strncpy(dst, src, size)
 {
-	local i;
-	i = 0;
+	local i = 0;
+
 	loop {
 		if ([src + i] == 0 | i == size)
 			return (dst);
 		[dst + i] = [src + i];
-		i = i + 1;
+		i++;
 	}
 }