LXR syslinux/gpxe/src/include/stddef.h

   1#ifndef STDDEF_H
   2#define STDDEF_H
   3
   4FILE_LICENCE ( GPL2_ONLY );
   5
   6/* for size_t */
   7#include <stdint.h>
   8
   9#undef NULL
  10#define NULL ((void *)0)
  11
  12#undef offsetof
  13#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  14
  15#undef container_of
  16#define container_of(ptr, type, member) ({                      \
  17        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
  18        (type *)( (char *)__mptr - offsetof(type,member) );})
  19
  20/* __WCHAR_TYPE__ is defined by gcc and will change if -fshort-wchar is used */
  21#ifndef __WCHAR_TYPE__
  22#define __WCHAR_TYPE__ long int
  23#endif
  24typedef __WCHAR_TYPE__ wchar_t;
  25
  26#endif /* STDDEF_H */
  27