/* @(#)stddef.h	1.6 1/11/93 1 */

#ifndef __STDDEF_DEFINED
#define __STDDEF_DEFINED


#ifndef NULL
#define	NULL	(void *)0
#endif

#ifndef __PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
#define __PTRDIFF_T_DEFINED
#endif

#ifndef __SIZE_T_DEFINED
typedef long unsigned int size_t;
#define __SIZE_T_DEFINED
#endif

#ifndef __WCHAR_T_DEFINED
typedef int wchar_t;
#define __WCHAR_T_DEFINED
#endif

#define offsetof(s,m) (size_t)&(((s *)(void *)0)->m)


#endif