release/src-rt-6.x/linux/linux-2.6/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 #endif /* __KERNEL__ */
  20
  21 #undef offsetof
  22 #ifdef __compiler_offsetof
  23 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
  24 #else
  25 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  26 #endif
  27
  28 #endif