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#include "byte.h"
int byte_diff(s,n,t)
register char *s;
register unsigned int n;
register char *t;
{
for (;;) {
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n;
}
return ((int)(unsigned int)(unsigned char) *s)
- ((int)(unsigned int)(unsigned char) *t);
}