Commit | Line | Data |
---|---|---|
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 | } |