stddef.h (405B)
1 #ifndef __STDDEF 2 #define __STDDEF 3 4 5 #define NULL 0 6 #define offsetof(ty,mem) ((size_t)((char*)&((ty*)0)->mem - (char*)0)) 7 8 typedef long ptrdiff_t; 9 10 #if !defined(_SIZE_T) && !defined(_SIZE_T_) 11 #define _SIZE_T 12 #define _SIZE_T_ 13 typedef unsigned long size_t; 14 #endif 15 16 #if !defined(_WCHAR_T) && !defined(_WCHAR_T_) 17 #define _WCHAR_T 18 #define _WCHAR_T_ 19 typedef unsigned short wchar_t; 20 #endif 21 22 #endif /* __STDDEF */