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/*
* libzvbi - Useful macros
*
* Copyright (C) 2002, 2003, 2004 Michael H. Schimek
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: macros.h,v 1.5 2006/03/21 19:01:24 mschimek Exp $ */
#ifndef __ZVBI3_MACROS_H__
#define __ZVBI3_MACROS_H__
#ifdef __cplusplus
# define VBI3_BEGIN_DECLS extern "C" {
# define VBI3_END_DECLS }
#else
# define VBI3_BEGIN_DECLS
# define VBI3_END_DECLS
#endif
VBI3_BEGIN_DECLS
#if __GNUC__ >= 4
# define _vbi3_sentinel sentinel(0)
#else
# define _vbi3_sentinel
# define __restrict__
#endif
#if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ >= 4
# define _vbi3_nonnull(args...) nonnull(args)
#else
# define _vbi3_nonnull(args...)
#endif
#if __GNUC__ >= 3
# define _vbi3_pure pure
# define _vbi3_alloc malloc
#else
# define _vbi3_pure
# define _vbi3_alloc
#endif
#if __GNUC__ >= 2
# define vbi3_inline static __inline__
#else
# define vbi3_inline static
# define __attribute__(args...)
#endif
/**
* @ingroup Basic
* @name Boolean type
* @{
*/
#ifndef TRUE
# define TRUE 1
#endif
#ifndef FALSE
# define FALSE 0
#endif
typedef int vbi3_bool;
/** @} */
#ifndef NULL
# ifdef __cplusplus
# define NULL (0L)
# else
# define NULL ((void *) 0)
# endif
#endif
/** XXX Document me - for variadic funcs.
(this is a pointer not int to take advantage of
__attribute__((sentinel))). */
#define VBI3_END ((void *) 0)
typedef void
vbi3_lock_fn (void * user_data);
typedef void
vbi3_unlock_fn (void * user_data);
VBI3_END_DECLS
#endif /* __ZVBI3_MACROS_H__ */
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