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ft_memcmp.c
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ft_memcmp.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dmlasko <dmlasko@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/01 16:33:42 by dmlasko #+# #+# */
/* Updated: 2024/07/12 13:12:50 by dmlasko ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
// compares two memory areas' to see if they have the same content
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
const unsigned char *str1;
const unsigned char *str2;
str1 = (const unsigned char *) s1;
str2 = (const unsigned char *) s2;
if (n == 0)
return (0);
while (*str1 == *str2 && n > 1)
{
str1++;
str2++;
n--;
}
return (*str1 - *str2);
}
//#include <string.h>
//#include <stdlib.h>
//#include <stdio.h>
//int main(void)
//{
// void *str1;
// void *str2;
// str1 = malloc(6);
// str2 = malloc(6);
// strcpy(str1, "t\200");
// strcpy(str2, "t\0");
// printf("%d\n", ft_memcmp(str1, str2, 2));
//}