xref: /freebsd/bin/chio/defs.h (revision 74bf4e164ba5851606a27d4feff27717452583e5)
1 /* $FreeBSD$	*/
2 
3 /*
4  * Copyright (c) 1996 Jason R. Thorpe <thorpej@and.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgements:
17  *	This product includes software developed by Jason R. Thorpe
18  *	for And Communications, http://www.and.com/
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 struct element_type {
36 	const	char *et_name;	/* name; i.e. "picker, "slot", etc. */
37 	int	et_type;	/* type number */
38 };
39 
40 struct changer_command {
41 	const	char *cc_name;	/* command name */
42 				/* command handler */
43 	int	(*cc_handler)(const char *, int, char **);
44 };
45 
46 struct special_word {
47 	const	char *sw_name;	/* special word */
48 	int	sw_value;	/* token value */
49 };
50 
51 /* sw_value */
52 #define SW_INVERT	1	/* set "invert media" flag */
53 #define SW_INVERT1	2	/* set "invert media 1" flag */
54 #define SW_INVERT2	3	/* set "invert media 2" flag */
55 
56 /* Environment variable to check for default changer. */
57 #define CHANGER_ENV_VAR		"CHANGER"
58