1/*	$NetBSD: sprite.h,v 1.1 1999/11/23 05:28:22 mrg Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-4-Clause
5 *
6 * Copyright (c) 1988, 1989, 1990, 1993
7 *	The Regents of the University of California.  All rights reserved.
8 * Copyright (c) 1989 by Berkeley Softworks
9 * All rights reserved.
10 *
11 * This code is derived from software contributed to Berkeley by
12 * Adam de Boor.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 *    must display the following acknowledgement:
24 *	This product includes software developed by the University of
25 *	California, Berkeley and its contributors.
26 * 4. Neither the name of the University nor the names of its contributors
27 *    may be used to endorse or promote products derived from this software
28 *    without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 *	from: @(#)sprite.h	8.1 (Berkeley) 6/6/93
43 * $FreeBSD$
44 */
45
46/*
47 * sprite.h --
48 *
49 * Common constants and type declarations for Sprite.
50 */
51
52#ifndef _SPRITE
53#define _SPRITE
54
55
56/*
57 * A boolean type is defined as an integer, not an enum. This allows a
58 * boolean argument to be an expression that isn't strictly 0 or 1 valued.
59 */
60
61typedef int Boolean;
62#ifndef TRUE
63#define TRUE	1
64#endif /* TRUE */
65#ifndef FALSE
66#define FALSE	0
67#endif /* FALSE */
68
69/*
70 * Functions that must return a status can return a ReturnStatus to
71 * indicate success or type of failure.
72 */
73
74typedef int  ReturnStatus;
75
76/*
77 * The following statuses overlap with the first 2 generic statuses
78 * defined in status.h:
79 *
80 * SUCCESS			There was no error.
81 * FAILURE			There was a general error.
82 */
83
84#define	SUCCESS			0x00000000
85#define	FAILURE			0x00000001
86
87
88/*
89 * A nil pointer must be something that will cause an exception if
90 * referenced.  There are two nils: the kernels nil and the nil used
91 * by user processes.
92 */
93
94#define NIL 		~0
95#define USER_NIL 	0
96#ifndef NULL
97#define NULL	 	0
98#endif /* NULL */
99
100/*
101 * An address is just a pointer in C.  It is defined as a character pointer
102 * so that address arithmetic will work properly, a byte at a time.
103 */
104
105typedef char *Address;
106
107/*
108 * ClientData is an uninterpreted word.  It is defined as an int so that
109 * kdbx will not interpret client data as a string.  Unlike an "Address",
110 * client data will generally not be used in arithmetic.
111 * But we don't have kdbx anymore so we define it as void (christos)
112 */
113
114typedef void *ClientData;
115
116#endif /* _SPRITE */
117