/****************************************************************************
 *
 * $Source: /usr/local/cvsroot/unixlib/source/clib/h/stddef,v $
 * $Date: 1999/08/01 12:13:37 $
 * $Revision: 1.5 $
 * $State: Exp $
 * $Author: admin $
 *
 ***************************************************************************/

#ifndef __STDDEF_H
#define __STDDEF_H

/* Signed type of difference of two pointers.  */
#ifndef __PTRDIFF_TYPE__
#define __PTRDIFF_TYPE__ int
#endif
typedef __PTRDIFF_TYPE__ ptrdiff_t;


/* Unsigned type of sizeof something.  */
#ifndef __size_t
#define __size_t 1
#endif
#ifndef __SIZE_TYPE__
#define __SIZE_TYPE__ unsigned int
#endif
#ifndef size_t
typedef __SIZE_TYPE__ size_t;
#endif

/* Wide character type.  */
#ifndef __WCHAR_TYPE__
#define __WCHAR_TYPE__ int
#endif
#ifndef __cplusplus
typedef __WCHAR_TYPE__ wchar_t;
#endif

typedef void *ptr_t;

#ifndef NULL
#define NULL (0)
#endif

/* Offset of member 'member' in a struct of type 'type'.  */
#define offsetof(type, member) ((size_t) &((type *)0)->member)

#endif
