stddef.h

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#ifndef __LIB_STDDEF_H
#define __LIB_STDDEF_H
 
#define NULL ((void *) 0)
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
 
/** GCC predefines the types we need for ptrdiff_t and size_t,
   so that we don't have to guess. */
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef __SIZE_TYPE__ size_t;
 
#endif /**< lib/stddef.h */