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