ref: a02f6ec0102245d81519c74b2a8651be6a9cdd8c
dir: /libc/src/strncmp.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
int
strncmp(const char *s1, const char *s2, size_t n)
{
for (; n && *s1 && *s2 && *s1 != *s2; --n, ++s1, ++s2);
/* nothing */;
return n ? (*(unsigned char *)s1 - *(unsigned char *)s2) : 0;
}