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#ifndef __STDDEF

#define __STDDEF

/* $Id: stddef.h,v 1.1 2002/08/28 23:59:20 drh Exp $ */

#ifndef NULL

#define NULL ((void*)0)

#endif

#define offsetof(ty,mem) ((size_t)((char*)&((ty*)0)->mem - (char*)0))

typedef long ptrdiff_t;

#if !defined(_SIZE_T) && !defined(_SIZE_T_) && !defined(_SIZE_T_DEFINED)

#define _SIZE_T

#define _SIZE_T_

#define _SIZE_T_DEFINED

typedef unsigned long size_t;

#endif

#if !defined(_WCHAR_T) && !defined(_WCHAR_T_) && !defined(_WCHAR_T_DEFINED)

#define _WCHAR_T

#define _WCHAR_T_

#define _WCHAR_T_DEFINED

#if   (_WCHAR_T_SIZE + 0) == 1

typedef unsigned char wchar_t;

#elif (_WCHAR_T_SIZE + 0) == 2

typedef unsigned short wchar_t;

#elif (_WCHAR_T_SIZE + 0) == 4

typedef unsigned int wchar_t;

#else

typedef unsigned short wchar_t;

#endif

#endif

#endif /* __STDDEF */