stddef.h revision 15483
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1990, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 151539Srgrimes * This product includes software developed by the University of 161539Srgrimes * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 201539Srgrimes * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 321539Srgrimes * 331539Srgrimes * @(#)stddef.h 8.1 (Berkeley) 6/2/93 341539Srgrimes */ 351539Srgrimes 361539Srgrimes#ifndef _STDDEF_H_ 371539Srgrimes#define _STDDEF_H_ 381539Srgrimes 391539Srgrimes#include <machine/ansi.h> 401539Srgrimes 411539Srgrimestypedef _BSD_PTRDIFF_T_ ptrdiff_t; 421539Srgrimes 4315483Sbde#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 4415483Sbde#ifdef _BSD_RUNE_T_ 4515483Sbdetypedef _BSD_RUNE_T_ rune_t; 4615483Sbde#undef _BSD_RUNE_T_ 4715483Sbde#endif 4815483Sbde#endif 4915483Sbde 501539Srgrimes#ifdef _BSD_SIZE_T_ 511539Srgrimestypedef _BSD_SIZE_T_ size_t; 521539Srgrimes#undef _BSD_SIZE_T_ 531539Srgrimes#endif 541539Srgrimes 551539Srgrimes#ifdef _BSD_WCHAR_T_ 561539Srgrimestypedef _BSD_WCHAR_T_ wchar_t; 571539Srgrimes#undef _BSD_WCHAR_T_ 581539Srgrimes#endif 591539Srgrimes 601539Srgrimes#ifndef NULL 611539Srgrimes#define NULL 0 621539Srgrimes#endif 631539Srgrimes 641539Srgrimes#define offsetof(type, member) ((size_t)(&((type *)0)->member)) 651539Srgrimes 661539Srgrimes#endif /* _STDDEF_H_ */ 67