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C/C++ Source or Header  |  2006-08-11  |  359 b   |  21 lines

  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. #undef offsetof
  14. #ifdef __compiler_offsetof
  15. #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
  16. #else
  17. #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  18. #endif
  19.  
  20. #endif
  21.