1 #include "case.h"

     2 

     3 int case_starts(s,t)

     4 register char *s;

     5 register char *t;

     6 {

     7   register unsigned char x;

     8   register unsigned char y;

     9 

    10   for (;;) {

    11     x = *s++ - 'A';

    12     if (x <= 'Z' - 'A') x += 'a'; else x += 'A';

    13     y = *t++ - 'A';

    14     if (y <= 'Z' - 'A') y += 'a'; else y += 'A';

    15     if (!y) return 1;

    16     if (x != y) return 0;

    17   }

    18 }