ref: b5f8e196aa5692b1ed355de2c772b88816d89d44
dir: /src/libc/string/strncmp.c/
#include <string.h> #undef strncmp int strncmp(const char *s1, const char *s2, size_t n) { int c; for ( ; n > 0 && (c = *s1) && c == *s2; --n) ++s1, ++s2; if (n == 0) return 0; return *(unsigned char *) s1 - *(unsigned char *) s2; }