Commit | Line | Data |
---|---|---|
1 | #include "case.h" | |
2 | ||
3 | int case_diffb(s,len,t) | |
4 | register char *s; | |
5 | unsigned int len; | |
6 | register char *t; | |
7 | { | |
8 | register unsigned char x; | |
9 | register unsigned char y; | |
10 | ||
11 | while (len > 0) { | |
12 | --len; | |
13 | x = *s++ - 'A'; | |
14 | if (x <= 'Z' - 'A') x += 'a'; else x += 'A'; | |
15 | y = *t++ - 'A'; | |
16 | if (y <= 'Z' - 'A') y += 'a'; else y += 'A'; | |
17 | if (x != y) | |
18 | return ((int)(unsigned int) x) - ((int)(unsigned int) y); | |
19 | } | |
20 | return 0; | |
21 | } |