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Linux/include/linux/stddef.h

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  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
 29 

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