1/* $Id$ $Revision$ */
2/* vim:set shiftwidth=4 ts=8: */
3
4/*************************************************************************
5 * Copyright (c) 2011 AT&T Intellectual Property
6 * All rights reserved. This program and the accompanying materials
7 * are made available under the terms of the Eclipse Public License v1.0
8 * which accompanies this distribution, and is available at
9 * http://www.eclipse.org/legal/epl-v10.html
10 *
11 * Contributors: See CVS logs. Details at http://www.graphviz.org/
12 *************************************************************************/
13
14#ifndef GV_LOGIC_H
15#define GV_LOGIC_H
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21#include <stdbool.h>
22
23#ifndef NOT
24#define NOT(v) (!(v))
25#endif
26
27#ifndef FALSE
28#define FALSE (0)
29#endif
30#ifndef TRUE
31#define TRUE (!FALSE)
32#endif
33
34#ifndef NOTUSED
35#define NOTUSED(var) (void) var
36#endif
37
38#ifndef NULL
39#define NULL (void *)0
40#endif
41
42#ifndef NIL
43#define NIL(type) ((type)0)
44#endif
45
46#ifdef __cplusplus
47}
48#endif
49
50#endif
51
52