LCOM1920-T02G10

/*        $NetBSD: stddef.h,v 1.17 2013/12/12 17:53:03 matt Exp $        */

/*-

 * Copyright (c) 1990, 1993

 *        The Regents of the University of California.  All rights reserved.

 *

 * 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. 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.

 *

 *        @(#)stddef.h        8.1 (Berkeley) 6/2/93

 */

#ifndef _STDDEF_H_

#define _STDDEF_H_

#include <sys/cdefs.h>

#include <sys/featuretest.h>

#include <machine/ansi.h>

#ifdef        _BSD_PTRDIFF_T_

typedef        _BSD_PTRDIFF_T_        ptrdiff_t;

#undef        _BSD_PTRDIFF_T_

#endif

#ifdef        _BSD_SIZE_T_

typedef        _BSD_SIZE_T_        size_t;

#undef        _BSD_SIZE_T_

#endif

#if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)

typedef        _BSD_WCHAR_T_        wchar_t;

#undef        _BSD_WCHAR_T_

#endif

#include <sys/null.h>

#if __GNUC_PREREQ__(4, 0)

#define        offsetof(type, member)        __builtin_offsetof(type, member)

#elif !defined(__cplusplus)

#define        offsetof(type, member)        ((size_t)(unsigned long)(&((type *)0)->member))

#else

#if !__GNUC_PREREQ__(3, 4)

#define __offsetof__(a) a

#endif

#define        offsetof(type, member) __offsetof__((reinterpret_cast<size_t> \

    (&reinterpret_cast<const volatile char &>(static_cast<type *>(0)->member))))

#endif

#endif /* _STDDEF_H_ */