1
2/*-
3 * Copyright (c) 1996 Jason R. Thorpe <thorpej@and.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgements:
16 *	This product includes software developed by Jason R. Thorpe
17 *	for And Communications, http://www.and.com/
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34struct element_type {
35	const	char *et_name;	/* name; i.e. "picker, "slot", etc. */
36	int	et_type;	/* type number */
37};
38
39struct changer_command {
40	const	char *cc_name;	/* command name */
41				/* command handler */
42	int	(*cc_handler)(const char *, int, char **);
43};
44
45struct special_word {
46	const	char *sw_name;	/* special word */
47	int	sw_value;	/* token value */
48};
49
50/* sw_value */
51#define SW_INVERT	1	/* set "invert media" flag */
52#define SW_INVERT1	2	/* set "invert media 1" flag */
53#define SW_INVERT2	3	/* set "invert media 2" flag */
54
55/* Environment variable to check for default changer. */
56#define CHANGER_ENV_VAR		"CHANGER"
57