#include "case.h" int case_starts(register const char* s,register const char* t) { register unsigned char x; register unsigned char y; for (;;) { x = *s++ - 'A'; if (x <= 'Z' - 'A') x += 'a'; else x += 'A'; y = *t++ - 'A'; if (y <= 'Z' - 'A') y += 'a'; else y += 'A'; if (!y) return 1; if (x != y) return 0; } }