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 NAME
27 cat - concatenate two strings
28
29 SYNOPSIS
30 void cat(char *to, char *from1, char *from2)
31
32 DESCRIPTION
33 cat() concatenates "from1" and "from2" to "to"
34 to -> destination string
35 from1 -> source string
36 from2 -> source string
37 */
38 #include "mail.h"
39 void
cat(to,from1,from2)40 cat(to, from1, from2)
41 register char *to, *from1, *from2;
42 {
43 for (; *from1;) *to++ = *from1++;
44 for (; *from2;) *to++ = *from2++;
45 *to = '\0';
46 }
47