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#ifndef STDDEF_H
#define STDDEF_H
/* for size_t */
#include <stdint.h>
#undef NULL
#define NULL ((void *)0)
#undef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#undef container_of
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif /* STDDEF_H */
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