Office_Networks/NONE-CKUBU/src/djbdns/djbdns-1.05/byte_diff.c
2019-05-28 11:10:19 +02:00

17 lines
453 B
C

#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);
}