cistrcmp.c - 9base - revived minimalist port of Plan 9 userland to Unix | |
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cistrcmp.c (323B) | |
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1 #include <u.h> | |
2 #include <libc.h> | |
3 | |
4 int | |
5 cistrcmp(char *s1, char *s2) | |
6 { | |
7 int c1, c2; | |
8 | |
9 while(*s1){ | |
10 c1 = *(uchar*)s1++; | |
11 c2 = *(uchar*)s2++; | |
12 | |
13 if(c1 == c2) | |
14 continue; | |
15 | |
16 if(c1 >= 'A' && c1 <= 'Z') | |
17 c1 -= 'A' - 'a'; | |
18 | |
19 if(c2 >= 'A' && c2 <= 'Z') | |
20 c2 -= 'A' - 'a'; | |
21 | |
22 if(c1 != c2) | |
23 return c1 - c2; | |
24 } | |
25 return -*s2; | |
26 } |