ref: 4eaac6bfb11cc84259e8b418d4babffdf1c637eb
dir: /lib/c/string/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;
}