tree.h revision 330897 
1/*	$OpenBSD: tree.h,v 1.5 2004/05/06 22:29:15 deraadt Exp $	*/
2
3/* Definitions for address trees... */
4
5/*-
6 * SPDX-License-Identifier: BSD-3-Clause
7 *
8 * Copyright (c) 1995 The Internet Software Consortium.  All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of The Internet Software Consortium nor the names
20 *    of its contributors may be used to endorse or promote products derived
21 *    from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
24 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
25 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
28 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
31 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
32 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
34 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * This software has been written for the Internet Software Consortium
38 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
39 * Enterprises.  To learn more about the Internet Software Consortium,
40 * see ``http://www.vix.com/isc''.  To learn more about Vixie
41 * Enterprises, see ``http://www.vix.com''.
42 *
43 * $FreeBSD: stable/11/sbin/dhclient/tree.h 330897 2018-03-14 03:19:51Z eadler $
44 */
45
46/* A pair of pointers, suitable for making a linked list. */
47typedef struct _pair {
48	caddr_t car;
49	struct _pair *cdr;
50} *pair;
51
52struct tree_cache {
53	unsigned char *value;
54	int len;
55	int buf_size;
56	time_t timeout;
57};
58
59struct universe {
60	char *name;
61	struct hash_table *hash;
62	struct option *options[256];
63};
64
65struct option {
66	char *name;
67	char *format;
68	struct universe *universe;
69	unsigned char code;
70};
71