#include "case.h"

int case_diffs(s,t)

register char *s;

register 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 (x != y) break;

    if (!x) break;

  }

  return ((int)(unsigned int) x) - ((int)(unsigned int) y);

}