/*
 * 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  	*/


#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4	*/
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "string.h"

/**
 ** strip() - STRIP LEADING AND TRAILING BLANKS
 **/

char *
#if	defined(__STDC__)
strip (
	char *			str
)
#else
strip (str)
	register char		*str;
#endif
{
	register char		*p;

	if (!str || !*str)
		return (0);

	str += strspn(str, " ");
	for (p = str; *p; p++)
		;
	p--;
	for (; p >= str && *p == ' '; p--)
		;
	*++p = 0;
	return (str);
}