Commit | Line | Data |
---|---|---|
5b62e993 MW |
1 | #include "byte.h" |
2 | ||
3 | unsigned int byte_rchr(s,n,c) | |
4 | char *s; | |
5 | register unsigned int n; | |
6 | int c; | |
7 | { | |
8 | register char ch; | |
9 | register char *t; | |
10 | register char *u; | |
11 | ||
12 | ch = c; | |
13 | t = s; | |
14 | u = 0; | |
15 | for (;;) { | |
16 | if (!n) break; if (*t == ch) u = t; ++t; --n; | |
17 | if (!n) break; if (*t == ch) u = t; ++t; --n; | |
18 | if (!n) break; if (*t == ch) u = t; ++t; --n; | |
19 | if (!n) break; if (*t == ch) u = t; ++t; --n; | |
20 | } | |
21 | if (!u) u = t; | |
22 | return u - s; | |
23 | } |