[unix-history] / usr / src / include / stddef.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)stddef.h	5.7 (Berkeley) %G%
 */

#ifndef _STDDEF_H_
#define _STDDEF_H_

#include <machine/ansi.h>

typedef	_BSD_PTRDIFF_T_	ptrdiff_t;

#ifdef	_BSD_SIZE_T_
typedef	_BSD_SIZE_T_	size_t;
#undef	_BSD_SIZE_T_
#endif

#ifdef	_BSD_WCHAR_T_
typedef	_BSD_WCHAR_T_	wchar_t;
typedef	_BSD_WCHAR_T_	rune_t;
#undef	_BSD_WCHAR_T_
#endif

#ifndef	NULL
#define	NULL	0
#endif

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

#endif /* _STDDEF_H_ */
Commit	Line	Data
36049238 KB	1	/*-
	2	* Copyright (c) 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
37bff619	7	* @(#)stddef.h 5.7 (Berkeley) %G%
36049238 KB	8	*/
	9
	10	#ifndef _STDDEF_H_
	11	#define _STDDEF_H_
d2b7358e	12
6124b236	13	#include <machine/ansi.h>
36049238	14
3d2899e6	15	typedef _BSD_PTRDIFF_T_ ptrdiff_t;
36049238	16
3d2899e6 KB	17	#ifdef _BSD_SIZE_T_
	18	typedef _BSD_SIZE_T_ size_t;
	19	#undef _BSD_SIZE_T_
36049238 KB	20	#endif
36049238 KB	21
3d2899e6 KB	22	#ifdef _BSD_WCHAR_T_
3d2899e6 KB	23	typedef _BSD_WCHAR_T_ wchar_t;
37bff619	24	typedef _BSD_WCHAR_T_ rune_t;
3d2899e6	25	#undef _BSD_WCHAR_T_
36049238 KB	26	#endif
	27
	28	#ifndef NULL
	29	#define NULL 0
	30	#endif
	31
	32	#define offsetof(type, member) ((size_t)(&((type *)0)->member))
	33
	34	#endif /* _STDDEF_H_ */