ref: 73cfd3c699f20de73f64238d7e47abdb35c018d6
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; }