include/linux/stddef.h

   1 #ifndef _LINUX_STDDEF_H
   2 #define _LINUX_STDDEF_H
   3
   4 #undef NULL
   5 #if defined(__cplusplus)
   6 #define NULL 0
   7 #else
   8 #define NULL ((void *)0)
   9 #endif
  10
  11 #ifndef _SIZE_T
  12 #include <linux/types.h>
  13 #endif
  14
  15 #undef offsetof
  16 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  17
  18 #endif