ref: 8379c7f20b9346a7cd69808c58661bfc2e0d39f5
dir: /src/libc/string/strcmp.c/
#include <string.h>
#undef strcmp
int
strcmp(const char *s1, const char *s2)
{
while (*s1 && *s2 && *s1 == *s2)
++s1, ++s2;
return *(unsigned char *) s1 - *(unsigned char *) s2;
}