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
35 char *
36 #if defined(__STDC__)
strip(char * str)37 strip (
38 char * str
39 )
40 #else
41 strip (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