1 /* $NetBSD: sprite.h,v 1.1 1999/11/23 05:28:22 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1989, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * Copyright (c) 1989 by Berkeley Softworks 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Adam de Boor. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: @(#)sprite.h 8.1 (Berkeley) 6/6/93 41 */ 42 43 /* 44 * sprite.h -- 45 * 46 * Common constants and type declarations for Sprite. 47 */ 48 49 #ifndef _SPRITE 50 #define _SPRITE 51 52 53 /* 54 * A boolean type is defined as an integer, not an enum. This allows a 55 * boolean argument to be an expression that isn't strictly 0 or 1 valued. 56 */ 57 58 typedef int Boolean; 59 #ifndef TRUE 60 #define TRUE 1 61 #endif /* TRUE */ 62 #ifndef FALSE 63 #define FALSE 0 64 #endif /* FALSE */ 65 66 /* 67 * Functions that must return a status can return a ReturnStatus to 68 * indicate success or type of failure. 69 */ 70 71 typedef int ReturnStatus; 72 73 /* 74 * The following statuses overlap with the first 2 generic statuses 75 * defined in status.h: 76 * 77 * SUCCESS There was no error. 78 * FAILURE There was a general error. 79 */ 80 81 #define SUCCESS 0x00000000 82 #define FAILURE 0x00000001 83 84 85 /* 86 * A nil pointer must be something that will cause an exception if 87 * referenced. There are two nils: the kernels nil and the nil used 88 * by user processes. 89 */ 90 91 #define NIL ~0 92 #define USER_NIL 0 93 #ifndef NULL 94 #define NULL 0 95 #endif /* NULL */ 96 97 /* 98 * An address is just a pointer in C. It is defined as a character pointer 99 * so that address arithmetic will work properly, a byte at a time. 100 */ 101 102 typedef char *Address; 103 104 /* 105 * ClientData is an uninterpreted word. It is defined as an int so that 106 * kdbx will not interpret client data as a string. Unlike an "Address", 107 * client data will generally not be used in arithmetic. 108 * But we don't have kdbx anymore so we define it as void (christos) 109 */ 110 111 typedef void *ClientData; 112 113 #endif /* _SPRITE */ 114