#ifndef _LINUX_STDDEF_H
  #define _LINUX_STDDEF_H

  #include <uapi/linux/stddef.h>

  
  #undef NULL

  #define NULL ((void *)0)

  
  enum {
  	false	= 0,
  	true	= 1
  };

  #undef offsetof
  #ifdef __compiler_offsetof

  #define offsetof(TYPE, MEMBER)	__compiler_offsetof(TYPE, MEMBER)

  #else

  #define offsetof(TYPE, MEMBER)	((size_t)&((TYPE *)0)->MEMBER)

  #endif

  
  /**
   * offsetofend(TYPE, MEMBER)
   *
   * @TYPE: The type of the structure
   * @MEMBER: The member within the structure to get the end offset of
   */
  #define offsetofend(TYPE, MEMBER) \
  	(offsetof(TYPE, MEMBER)	+ sizeof(((TYPE *)0)->MEMBER))

  
  #endif