/*
 * 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   */

#include "mail.h"
/*
        get next token
                p       -> string to be searched
                s       -> area to return token
        returns:
                p       -> updated string pointer
                s       -> token
                NULL    -> no token
*/
char *
getarg(s, p)
register char *s, *p;
{
        while (*p == ' ' || *p == '\t') p++;
        if (*p == '\n' || *p == '\0') return(NULL);
        while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') *s++ = *p++;
        *s = '\0';
        return(p);
}