ref: 0001a817076cbc01e7114c01a71fc1f70d6a4df5
dir: /lib/c/strncmp.c/
#include <string.h>
#undef strncmp
int
strncmp(const char *s1, const char *s2, size_t n)
{
int c;
if (n == 0)
return 0;
while ((c = *s1) != '\0' && c == *s2) {
if (--n == 0)
return 0;
++s1, ++s2;
}
return (*(unsigned char *) s1 - *(unsigned char *) s2);
}