#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);
}