usr/src/cmd/mail/cat.c

   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
  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 }