1 /**	$MirOS: src/usr.bin/window/string.h,v 1.2 2005/03/13 18:34:06 tg Exp $ */
2 /*	$OpenBSD: string.h,v 1.4 2003/06/03 02:56:23 millert Exp $	*/
3 /*	$NetBSD: string.h,v 1.3 1995/09/28 10:34:40 tls Exp $	*/
4 
5 /*
6  * Copyright (c) 1983, 1993
7  *	The Regents of the University of California.  All rights reserved.
8  *
9  * This code is derived from software contributed to Berkeley by
10  * Edward Wang at The University of California, Berkeley.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)string.h	8.1 (Berkeley) 6/6/93
37  */
38 
39 #ifndef	_MY_STRING_H
40 #define	_MY_STRING_H
41 
42 #define STR_DEBUG
43 
44 char *str_cpy();
45 char *str_ncpy();
46 char *str_cat();
47 char *str_itoa();
48 
49 #define str_cmp(a, b)	strcmp(a, b)
50 
51 #ifdef STR_DEBUG
52 struct string {
53 	struct string *s_forw;
54 	struct string *s_back;
55 	char s_data[1];
56 };
57 
58 struct string str_head;
59 
60 #define str_offset ((unsigned)str_head.s_data - (unsigned)&str_head)
61 #define str_stos(s) ((struct string *)((unsigned)(s) - str_offset))
62 
63 char *str_alloc();
64 int str_free();
65 #else
66 #define str_free(s)	free(s)
67 #define str_alloc(s)	malloc(s)
68 #endif
69 
70 #endif
71