1 #ifndef _LINUX_STDDEF_H
2 #define _LINUX_STDDEF_H
4 #include <uapi/linux/stddef.h>
7 #define NULL ((void *)0)
15 #ifdef __compiler_offsetof
16 #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
18 #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
22 * offsetofend(TYPE, MEMBER)
24 * @TYPE: The type of the structure
25 * @MEMBER: The member within the structure to get the end offset of
27 #define offsetofend(TYPE, MEMBER) \
28 (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER))