xref: /freebsd/bin/chio/defs.h (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
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 
34 struct element_type {
35 	const	char *et_name;	/* name; i.e. "picker, "slot", etc. */
36 	int	et_type;	/* type number */
37 };
38 
39 struct changer_command {
40 	const	char *cc_name;	/* command name */
41 				/* command handler */
42 	int	(*cc_handler)(const char *, int, char **);
43 };
44 
45 struct 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