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ft_memcmp.c
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ft_memcmp.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: sde-silv <sde-silv@student.42berlin.de> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/05/31 16:52:35 by sde-silv #+# #+# */
/* Updated: 2023/06/12 14:50:00 by sde-silv ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
#include <string.h>
*/
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
size_t i;
unsigned char *ptr1;
unsigned char *ptr2;
ptr1 = (unsigned char *)s1;
ptr2 = (unsigned char *)s2;
i = 0;
while (i < n)
{
if (ptr1[i] == ptr2[i])
i ++;
else
return (ptr1[i] - ptr2[i]);
}
return (0);
}
/*
int main(void)
{
char *s1;
char *s2;
s1 = "Hello World!";
s2 = "X";
ft_putnbr_fd(memcmp((const void *)s1, (const void *)s2,strlen(s1)), 1);
write (1, "\n", 1);
ft_putnbr_fd(ft_memcmp((const void *)s1, (const void *)s2,strlen(s1)), 1);
write (1, "\n", 1);
}
*/