/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
    NAME
        cat - concatenate two strings

    SYNOPSIS
        void cat(char *to, char *from1, char *from2)

    DESCRIPTION
        cat() concatenates "from1" and "from2" to "to"
                to      -> destination string
                from1   -> source string
                from2   -> source string
*/
#include "mail.h"
void
cat(to, from1, from2)
register char *to, *from1, *from2;
{
        for (; *from1;) *to++ = *from1++;
        for (; *from2;) *to++ = *from2++;
        *to = '\0';
}