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#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 #endif