/* * Copyright (c) 1988, 1989, 1990 The Regents of the University of California. * Copyright (c) 1988, 1989 by Adam de Boor * 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 are permitted * provided that: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)sprite.h 5.3 (Berkeley) 6/1/90 */ /* * 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 0xFFFFFFFF #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. */ typedef int *ClientData; #ifdef notdef #include "status.h" #endif #endif _SPRITE