/* * 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 * $NetBSD: sprite.h,v 1.1 1999/11/23 05:28:22 mrg Exp $ */ /* * 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 /* * 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 */