[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	5.4 (Berkeley) %G%
 */

#ifndef _STDDEF_H_
#define _STDDEF_H_
#include <machine/ansi.h>

typedef	_PTRDIFF_T_	ptrdiff_t;

#ifdef	_SIZE_T_
typedef	_SIZE_T_	size_t;
#undef	_SIZE_T_
#endif

#ifdef	_WCHAR_T_
typedef	_WCHAR_T_	wchar_t;
#undef	_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	*
6124b236	7	* @(#)stddef.h 5.4 (Berkeley) %G%
36049238 KB	8	*/
	9
	10	#ifndef _STDDEF_H_
	11	#define _STDDEF_H_
6124b236	12	#include <machine/ansi.h>
36049238 KB	13
	14	typedef _PTRDIFF_T_ ptrdiff_t;
	15
	16	#ifdef _SIZE_T_
	17	typedef _SIZE_T_ size_t;
	18	#undef _SIZE_T_
	19	#endif
	20
	21	#ifdef _WCHAR_T_
	22	typedef _WCHAR_T_ wchar_t;
	23	#undef _WCHAR_T_
	24	#endif
	25
	26	#ifndef NULL
	27	#define NULL 0
	28	#endif
	29
	30	#define offsetof(type, member) ((size_t)(&((type *)0)->member))
	31
	32	#endif /* _STDDEF_H_ */