stddef.h

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/*--------------------------------------------------------
 * /
 * / apeNEXT stddef for nlcc
 * /
 * / $Id: stddef.h,v 1.12 2005/06/08 14:06:53 pleiter Exp $
 * /
 * /
 * / ISO/IEC 9899:1999 (E) Standard
 * / Common definitions  <stddef.h>
 * /
 * /
 * / IMPLEMENTATION for APEnext: possible                   (stddef.h) 
 * /----------------------------------------------------------------*/

#ifndef _STDDEF_H
#define _STDDEF_H

#include <nlibc.h>

/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ MACROS ^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/* Redeclaration is to check if some of work has already been done. */

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
 NULL macro yields a null pointer constant that is usable as an 
 address constant expression.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef NULL
#define NULL           ((void *)0)
#endif

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
 Pre-defined at least once in stdbool.h
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef TRUE
#define TRUE           1
#endif

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
 Pre-defined at least once in stdbool.h
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef FALSE
#define FALSE          0
#endif

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
   Following macro yields the offset in bytes, of type size_t 
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef offsetof
#define offsetof(type, field)  ((size_t) &(((type *) 0)->field) * 16)
#endif



/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ TYPES  ^^^^^^^^^^^^^^^^^^^^^^^^^^^*/

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
  PTRDIFF_T type is the signed integer type si-type of an object needed 
  to store the result of subtracting two pointers
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef _PTRDIFF_T
#define _PTRDIFF_T
typedef long            ptrdiff_t;
#endif

/*'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 
  SIZE_T type is the unsigned integer type of an object needed 
  to store the result of the sizeof operator.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/

#ifndef _SIZE_T
#define _SIZE_T
typedef unsigned long   size_t;
#endif


/*''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
  WCHAR_T type is the unsigned integer type of an object needed 
  to store a wide character
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''*/
#ifndef WCHAR_T
typedef int wchar_t;
#endif

#endif /* ifndef _STDDEF_H  */

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