5 register unsigned int n;
9 if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
10 if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
11 if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
12 if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
14 return ((int)(unsigned int)(unsigned char) *s)
15 - ((int)(unsigned int)(unsigned char) *t);