include/linux/stddef.h

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