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ft_memcmp.c
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ft_memcmp.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: anarodri <anarodri@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/05 12:57:02 by anarodri #+# #+# */
/* Updated: 2022/12/15 12:51:09 by anarodri ### ########.fr */
/* */
/* ************************************************************************** */
/* Compares the first n bytes of the block of memory pointed by str1 vs str2.
** Unlike strcmp, the function DOES NOT stop comparing after finding a null char.
** Return:
** Negative value if str1 is less than str2;
** Zero if they're equal;
** Positive value if str1 is greater than str2.
*/
#include "../libft.h"
int ft_memcmp(const void *str1, const void *str2, size_t n)
{
unsigned char *temp1;
unsigned char *temp2;
size_t i;
temp1 = (unsigned char *)str1;
temp2 = (unsigned char *)str2;
i = 0;
if (n == 0)
return (0);
while (temp1[i] == temp2[i] && i < n - 1)
i++;
return (temp1[i] - temp2[i]);
}