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
58typedef 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
71typedef 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
102typedef 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
111typedef void *ClientData;
112
113#endif /* _SPRITE */
114