81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
/*
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* sprite.h --
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*
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* Common constants and type declarations for Sprite.
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*
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* Copyright 1985 Regents of the University of California
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* All rights reserved.
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*
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*
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* Header: sprite.h,v 2.0 87/08/11 09:32:42 brent Exp $ SPRITE (Berkeley)
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*/
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#ifndef _SPRITE
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#define _SPRITE
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/*
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* A boolean type is defined as an integer, not an enum. This allows a
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* boolean argument to be an expression that isn't strictly 0 or 1 valued.
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*/
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typedef int Boolean;
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#ifndef TRUE
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#define TRUE 1
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#endif TRUE
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#ifndef FALSE
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#define FALSE 0
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#endif FALSE
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/*
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* Functions that must return a status can return a ReturnStatus to
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* indicate success or type of failure.
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*/
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typedef int ReturnStatus;
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/*
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* The following statuses overlap with the first 2 generic statuses
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* defined in status.h:
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*
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* SUCCESS There was no error.
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* FAILURE There was a general error.
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*/
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#define SUCCESS 0x00000000
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#define FAILURE 0x00000001
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/*
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* A nil pointer must be something that will cause an exception if
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* referenced. There are two nils: the kernels nil and the nil used
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* by user processes.
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*/
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#define NIL 0xFFFFFFFF
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#define USER_NIL 0
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#ifndef NULL
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#define NULL 0
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#endif NULL
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/*
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* An address is just a pointer in C. It is defined as a character pointer
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* so that address arithmetic will work properly, a byte at a time.
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*/
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typedef char *Address;
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/*
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* ClientData is an uninterpreted word. It is defined as an int so that
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* kdbx will not interpret client data as a string. Unlike an "Address",
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* client data will generally not be used in arithmetic.
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*/
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typedef int *ClientData;
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#ifdef notdef
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#include "status.h"
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#endif
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#endif _SPRITE
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