ref: 0a1e38c07d70eee922774a4dfb66bee8d1b16582
dir: /lib/c/strcoll.c/
#include <string.h>
#undef strcoll
int
strcoll(const char *s1, const char *s2)
{
while (*s1 && *s2 && *s1 == *s2)
++s1, ++s2;
return *(unsigned char *) s1 - *(unsigned char *) s2;
}