xref: /freebsd/include/stddef.h (revision 39c4f65c72c7bd00546b4571b3bbe0432162efa3)
159deaec5SRodney W. Grimes /*-
2*2321c474SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
3*2321c474SPedro F. Giffuni  *
459deaec5SRodney W. Grimes  * Copyright (c) 1990, 1993
559deaec5SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
659deaec5SRodney W. Grimes  *
759deaec5SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
859deaec5SRodney W. Grimes  * modification, are permitted provided that the following conditions
959deaec5SRodney W. Grimes  * are met:
1059deaec5SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1159deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1259deaec5SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1359deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1459deaec5SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
15f2556687SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
1659deaec5SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1759deaec5SRodney W. Grimes  *    without specific prior written permission.
1859deaec5SRodney W. Grimes  *
1959deaec5SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2059deaec5SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2159deaec5SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2259deaec5SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2359deaec5SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2459deaec5SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2559deaec5SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2659deaec5SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2759deaec5SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2859deaec5SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2959deaec5SRodney W. Grimes  * SUCH DAMAGE.
3059deaec5SRodney W. Grimes  */
3159deaec5SRodney W. Grimes 
3259deaec5SRodney W. Grimes #ifndef _STDDEF_H_
3359deaec5SRodney W. Grimes #define _STDDEF_H_
3459deaec5SRodney W. Grimes 
35ba5fe510SMike Barcroft #include <sys/cdefs.h>
3612eb46c8SMarcel Moolenaar #include <sys/_null.h>
37abbd8902SMike Barcroft #include <sys/_types.h>
3859deaec5SRodney W. Grimes 
397935fd6eSAlexander Kabaev #ifndef _PTRDIFF_T_DECLARED
40abbd8902SMike Barcroft typedef	__ptrdiff_t	ptrdiff_t;
417935fd6eSAlexander Kabaev #define	_PTRDIFF_T_DECLARED
427935fd6eSAlexander Kabaev #endif
4359deaec5SRodney W. Grimes 
44abbd8902SMike Barcroft #ifndef _SIZE_T_DECLARED
45abbd8902SMike Barcroft typedef	__size_t	size_t;
46abbd8902SMike Barcroft #define	_SIZE_T_DECLARED
4759deaec5SRodney W. Grimes #endif
4859deaec5SRodney W. Grimes 
496087d244SDavid E. O'Brien #ifndef	__cplusplus
50abbd8902SMike Barcroft #ifndef _WCHAR_T_DECLARED
510a4c54d6STijl Coosemans typedef	___wchar_t	wchar_t;
52abbd8902SMike Barcroft #define	_WCHAR_T_DECLARED
5359deaec5SRodney W. Grimes #endif
546087d244SDavid E. O'Brien #endif
5559deaec5SRodney W. Grimes 
56f49db4cfSEd Schouten #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
575dd72342SJohn Baldwin #ifndef __CLANG_MAX_ALIGN_T_DEFINED
585dd72342SJohn Baldwin typedef	__max_align_t	max_align_t;
595dd72342SJohn Baldwin #define __CLANG_MAX_ALIGN_T_DEFINED
6031ad7c11SJohn Baldwin #define _GCC_MAX_ALIGN_T
615dd72342SJohn Baldwin #endif
625dd72342SJohn Baldwin #endif
635dd72342SJohn Baldwin 
6493ca7f45SCy Schubert #define	offsetof(type, field)	__offsetof(type, field)
6559deaec5SRodney W. Grimes 
669851b340SKonstantin Belousov #if __EXT1_VISIBLE
679851b340SKonstantin Belousov /* ISO/IEC 9899:2011 K.3.3.2 */
689851b340SKonstantin Belousov #ifndef _RSIZE_T_DEFINED
699851b340SKonstantin Belousov #define _RSIZE_T_DEFINED
709851b340SKonstantin Belousov typedef size_t rsize_t;
719851b340SKonstantin Belousov #endif
729851b340SKonstantin Belousov #endif /* __EXT1_VISIBLE */
739851b340SKonstantin Belousov 
7459deaec5SRodney W. Grimes #endif /* _STDDEF_H_ */
75