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#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4	*/
27/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
28
29#include "string.h"
30
31/**
32 ** strip() - STRIP LEADING AND TRAILING BLANKS
33 **/
34
35char *
36#if	defined(__STDC__)
37strip (
38	char *			str
39)
40#else
41strip (str)
42	register char		*str;
43#endif
44{
45	register char		*p;
46
47	if (!str || !*str)
48		return (0);
49
50	str += strspn(str, " ");
51	for (p = str; *p; p++)
52		;
53	p--;
54	for (; p >= str && *p == ' '; p--)
55		;
56	*++p = 0;
57	return (str);
58}
59