xref: /illumos-gate/usr/src/cmd/mail/cat.c (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI" 	/* SVr4.0 1.3	*/
27 /*
28     NAME
29 	cat - concatenate two strings
30 
31     SYNOPSIS
32 	void cat(char *to, char *from1, char *from2)
33 
34     DESCRIPTION
35 	cat() concatenates "from1" and "from2" to "to"
36 		to	-> destination string
37 		from1	-> source string
38 		from2	-> source string
39 */
40 #include "mail.h"
41 void
cat(to,from1,from2)42 cat(to, from1, from2)
43 register char *to, *from1, *from2;
44 {
45 	for (; *from1;) *to++ = *from1++;
46 	for (; *from2;) *to++ = *from2++;
47 	*to = '\0';
48 }
49