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 #include "mail.h"
26 /*
27 get next token
28 p -> string to be searched
29 s -> area to return token
30 returns:
31 p -> updated string pointer
32 s -> token
33 NULL -> no token
34 */
35 char *
getarg(s,p)36 getarg(s, p)
37 register char *s, *p;
38 {
39 while (*p == ' ' || *p == '\t') p++;
40 if (*p == '\n' || *p == '\0') return(NULL);
41 while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') *s++ = *p++;
42 *s = '\0';
43 return(p);
44 }
45