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/*
* stddef.h
*/
#ifndef _STDDEF_H
#define _STDDEF_H
#ifndef __KLIBC__
# define __KLIBC__ 1
#endif
#include <bitsize/stddef.h>
#undef NULL
#ifdef __cplusplus
# define NULL 0
#else
# define NULL ((void *)0)
#endif
#undef offsetof
#define offsetof(t,m) ((size_t)&((t *)0)->m)
#undef container_of
/*
* The container_of construct: if p is a pointer to member m of
* container class c, then return a pointer to the container of which
* *p is a member.
*/
#define container_of(p, c, m) ((c *)((char *)(p) - offsetof(c,m)))
#endif /* _STDDEF_H */
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