Commit | Line | Data |
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503553be KM |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | static char sccsid[] = "@(#)strcmpn.c 4.2 (Berkeley) %G%"; | |
9 | #endif not lint | |
10 | ||
8cae6e23 BJ |
11 | /* |
12 | * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0 | |
13 | */ | |
14 | ||
15 | strcmpn(s1, s2, n) | |
16 | register char *s1, *s2; | |
17 | register n; | |
18 | { | |
19 | ||
20 | while (--n >= 0 && *s1 == *s2++) | |
21 | if (*s1++ == '\0') | |
22 | return(0); | |
23 | return(n<0 ? 0 : *s1 - *--s2); | |
24 | } |