/* stddef.h Definitions for common types, NULL, and errno. Copyright (c) Borland International 1987,1988,1990 All Rights Reserved. */ #ifndef __STDDEF_H #define __STDDEF_H #if __STDC__ #define _Cdecl #else #define _Cdecl cdecl #endif #ifndef __PAS__ #define _CType _Cdecl #else #define _CType pascal #endif #ifndef _PTRDIFF_T #define _PTRDIFF_T #if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__) typedef long ptrdiff_t; #else typedef int ptrdiff_t; #endif #endif #ifndef _SIZE_T #define _SIZE_T typedef unsigned size_t; #endif #define offsetof( s_name, m_name ) (size_t)&(((s_name*)0)->m_name) #ifndef _WCHAR_T #define _WCHAR_T typedef char wchar_t; #endif #ifndef NULL #if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__) #define NULL 0 #else #define NULL 0L #endif #endif #endif