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/*
23 * Copyright (c) 1998-1999 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#ifndef _DD_OPT_H
28#define	_DD_OPT_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include <sys/types.h>
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38/* The different data types of options supported by the service */
39enum option_type {
40	ERROR_OPTION = -1,
41	ASCII_OPTION,
42	BOOLEAN_OPTION,
43	IP_OPTION,
44	NUMBER_OPTION,
45	OCTET_OPTION
46};
47
48/* Structure returned by dd_getopt */
49struct dhcp_option {
50	int error_code;		/* Error indication; 0 == no error */
51	union {
52		char *msg;	/* Error message if error_code != 0 */
53		struct {
54			enum option_type datatype;	/* Type of option */
55			ushort_t granularity;		/* How big is it */
56			ushort_t count;			/* How many */
57			union {	/* The data, depending on datatype */
58				char **strings;
59				boolean_t value;
60				struct in_addr **addrs;
61				int64_t *numbers;
62				uchar_t **octets;
63			} data;
64		} ret;
65	} u;
66};
67
68extern struct dhcp_option *dd_getopt(ushort_t, const char *, const char *);
69extern void dd_freeopt(struct dhcp_option *);
70
71#ifdef	__cplusplus
72}
73#endif
74
75#endif	/* !_DD_OPT_H */
76