fix make clean and add make depend
[unix-history] / usr / src / lib / libcompat / 4.1 / strcatn.c
CommitLineData
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
8static char sccsid[] = "@(#)strcatn.c 4.2 (Berkeley) %G%";
9#endif not lint
10
f2be8b67
BJ
11/*
12 * Concatenate s2 on the end of s1. S1's space must be large enough.
13 * At most n characters are moved.
14 * Return s1.
15 */
16
17char *
18strcatn(s1, s2, n)
19register char *s1, *s2;
20register n;
21{
22 register char *os1;
23
24 os1 = s1;
25 while (*s1++)
26 ;
27 --s1;
28 while (*s1++ = *s2++)
29 if (--n < 0) {
30 *--s1 = '\0';
31 break;
32 }
33 return(os1);
34}