include/linux/stddef.h

   1 #ifndef _LINUX_STDDEF_H
   2 #define _LINUX_STDDEF_H
   3
   4 #include <linux/compiler.h>
   5
   6 #undef NULL
   7 #if defined(__cplusplus)
   8 #define NULL 0
   9 #else
  10 #define NULL ((void *)0)
  11 #endif
  12
  13 #ifdef __KERNEL__
  14
  15 enum {
  16         false   = 0,
  17         true    = 1
  18 };
  19
  20 #undef offsetof
  21 #ifdef __compiler_offsetof
  22 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
  23 #else
  24 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  25 #endif
  26 #endif /* __KERNEL__ */
  27
  28 #endif