1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_STDDEF_H 13 #define _LINUX_STDDEF_H 14 15 #include <linux/compiler.h> 16 17 #undef NULL 18 #ifdef __cplusplus 19 #define NULL 0 20 #else 21 #define NULL ((void *)0) 22 #endif 23 24 #undef offsetof 25 #ifdef __compiler_offsetof 26 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER) 27 #else 28 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 29 #endif 30 31 #endif 32