ref: f8e18c25020d34e589f51f0436a62f2284ca2ec3
dir: /libc/src/memcmp.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
int
memcmp(const void *s1, const void *s2, size_t n)
{
char *s = (char *) s1, *t = (char *) s2;
while (n > 0 && *s == *t)
--n, ++s, ++t;
return n ? (*s - *t) : 0;
}