| author | "Tomas Zeman <tomas.zeman@sun.com>" |
| Fri, 19 Oct 2007 11:01:15 +0200 | |
| changeset 0 | eeadadee24f6 |
| permissions | -rw-r--r-- |
| 0 | 1 |
#include "byte.h" |
2 |
||
3 |
int byte_diff(s,n,t) |
|
4 |
register char *s; |
|
5 |
register unsigned int n; |
|
6 |
register char *t; |
|
7 |
{
|
|
8 |
for (;;) {
|
|
9 |
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; |
|
10 |
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; |
|
11 |
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; |
|
12 |
if (!n) return 0; if (*s != *t) break; ++s; ++t; --n; |
|
13 |
} |
|
14 |
return ((int)(unsigned int)(unsigned char) *s) |
|
15 |
- ((int)(unsigned int)(unsigned char) *t); |
|
16 |
} |