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 #if defined(LIBC_SCCS) && !defined(lint)
8 static char sccsid[] = "@(#)strcmpn.c 4.3 (Berkeley) 03/09/86";
9 #endif LIBC_SCCS and not lint
10
11 /*
12 * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0
13 */
14
strcmpn(s1,s2,n)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 }
25