ref: d8b1cead3719c4c4254159f993fbc8222a2d2f09
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; }