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#include "case.h"
int case_diffs(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 (x != y) break;
if (!x) break;
}
return ((int)(unsigned int) x) - ((int)(unsigned int) y);
}