10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
70Sstevel@tonic-gate * with the License.
80Sstevel@tonic-gate *
90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate * See the License for the specific language governing permissions
120Sstevel@tonic-gate * and limitations under the License.
130Sstevel@tonic-gate *
140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate *
200Sstevel@tonic-gate * CDDL HEADER END
210Sstevel@tonic-gate */
22*722Smuffin /*
23*722Smuffin * Copyright 1990 Sun Microsystems, Inc. All rights reserved.
24*722Smuffin * Use is subject to license terms.
25*722Smuffin */
26*722Smuffin
270Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
280Sstevel@tonic-gate
290Sstevel@tonic-gate /*
300Sstevel@tonic-gate * Concatenate s2 on the end of s1. S1's space must be large enough.
310Sstevel@tonic-gate * At most n characters are moved.
320Sstevel@tonic-gate * Return s1.
330Sstevel@tonic-gate */
340Sstevel@tonic-gate
350Sstevel@tonic-gate char *
strncat(char * s1,char * s2,int n)36*722Smuffin strncat(char *s1, char *s2, int n)
370Sstevel@tonic-gate {
38*722Smuffin char *os1;
390Sstevel@tonic-gate
400Sstevel@tonic-gate os1 = s1;
410Sstevel@tonic-gate while (*s1++)
420Sstevel@tonic-gate ;
430Sstevel@tonic-gate --s1;
440Sstevel@tonic-gate while (*s1++ = *s2++)
450Sstevel@tonic-gate if (--n < 0) {
460Sstevel@tonic-gate *--s1 = '\0';
470Sstevel@tonic-gate break;
480Sstevel@tonic-gate }
490Sstevel@tonic-gate return (os1);
500Sstevel@tonic-gate }
51