1 #ifndef _LINUX_STDDEF_H
2 #define _LINUX_STDDEF_H
3 
4 #include <linux/compiler.h>
5 
6 #undef NULL
7 #if defined(__cplusplus)
8 #define NULL 0
9 #else
10 #define NULL ((void *)0)
11 #endif
12 
13 #ifdef __KERNEL__
14 
15 enum {
16 	false	= 0,
17 	true	= 1
18 };
19 
20 #undef offsetof
21 #ifdef __compiler_offsetof
22 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
23 #else
24 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
25 #endif
26 #endif /* __KERNEL__ */
27 
28 #endif
29