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/*
* Copyright (c) 1988, 1989, 1990, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1989 by Berkeley Softworks
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Adam de Boor.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)sprite.h 8.1 (Berkeley) 6/6/93
* $FreeBSD$
*/
/*
* sprite.h --
*
* Common constants and type declarations for Sprite.
*/
#ifndef _SPRITE
#define _SPRITE
/*
* A boolean type is defined as an integer, not an enum. This allows a
* boolean argument to be an expression that isn't strictly 0 or 1 valued.
*/
typedef int Boolean;
#ifndef TRUE
#define TRUE 1
#endif TRUE
#ifndef FALSE
#define FALSE 0
#endif FALSE
/*
* Functions that must return a status can return a ReturnStatus to
* indicate success or type of failure.
*/
typedef int ReturnStatus;
/*
* The following statuses overlap with the first 2 generic statuses
* defined in status.h:
*
* SUCCESS There was no error.
* FAILURE There was a general error.
*/
#define SUCCESS 0x00000000
#define FAILURE 0x00000001
/*
* A nil pointer must be something that will cause an exception if
* referenced. There are two nils: the kernels nil and the nil used
* by user processes.
*/
#define NIL ~0
#define USER_NIL 0
#ifndef NULL
#define NULL 0
#endif NULL
/*
* An address is just a pointer in C. It is defined as a character pointer
* so that address arithmetic will work properly, a byte at a time.
*/
typedef char *Address;
/*
* ClientData is an uninterpreted word. It is defined as an int so that
* kdbx will not interpret client data as a string. Unlike an "Address",
* client data will generally not be used in arithmetic.
* But we don't have kdbx anymore so we define it as void (christos)
*/
typedef void *ClientData;
#endif /* _SPRITE */
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