/*** *stddef.h - definitions/declarations for common constants, types, variables * * Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved. * *Purpose: * This file contains definitions and declarations for some commonly * used constants, types, and variables. * [ANSI] * * [Public] * *Revision History: * 10-02-87 JCR Changed NULL definition #else to #elif (C || L || H) * 12-11-87 JCR Added "_loadds" functionality * 12-16-87 JCR Added threadid definition * 12-18-87 JCR Added _FAR_ to declarations * 02-10-88 JCR Cleaned up white space * 08-19-88 GJF Revised to also work for the 386 * 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage * 06-06-89 JCR 386: Made _threadid a function * 08-01-89 GJF Cleanup, now specific to OS/2 2.0 (i.e., 386 flat * model). Also added parens to *_errno definition * (same as 11-14-88 change to CRT version). * 10-30-89 GJF Fixed copyright * 11-02-89 JCR Changed "DLL" to "_DLL" * 03-02-90 GJF Added #ifndef _INC_STDDEF and #include * stuff. Also, removed some (now) useless preprocessor * directives. * 04-10-90 GJF Replaced _cdecl with _VARTYPE1 or _CALLTYPE1, as * appropriate. * 08-16-90 SBM Made MTHREAD _errno return int * * 10-09-90 GJF Changed return type of __threadid() to unsigned long *. * 11-12-90 GJF Changed NULL to (void *)0. * 02-11-91 GJF Added offsetof() macro. * 02-12-91 GJF Only #define NULL if it isn't #define-d. * 03-21-91 KRS Added wchar_t typedef, also in stdlib.h. * 06-27-91 GJF Revised __threadid, added __threadhandle, both * for Win32 [_WIN32_]. * 08-20-91 JCR C++ and ANSI naming * 01-29-92 GJF Got rid of macro defining _threadhandle to be * __threadhandle (no reason for the former name to be * be defined). * 08-05-92 GJF Function calling type and variable type macros. * 01-21-93 GJF Removed support for C6-386's _cdecl. * 04-06-93 SKS Replace _CRTAPI1/2 with __cdecl, _CRTVAR1 with nothing * Remove support for OS/2, etc. * 04-07-93 SKS Add _CRTIMP keyword for CRT DLL model * Use link-time aliases for old names, not #define's * 10-12-93 GJF Support NT and Cuda versions. Also, replace MTHREAD * with _MT. * 03-14-94 GJF Made declaration of errno match one in stdlib.h. * 06-06-94 SKS Change if def(_MT) to if def(_MT) || def(_DLL) * This will support single-thread apps using MSVCRT*.DLL * 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers. * 02-14-95 CFW Clean up Mac merge. * 04-03-95 JCF Remove #ifdef _WIN32 around wchar_t. * 12-14-95 JWM Add "#pragma once". * 02-05-97 GJF Cleaned out obsolete support for _CRTAPI* and _NTSDK. * Also, detab-ed * 09-30-97 JWM Restored not-so-obsolete _CRTAPI1 support. * 10-07-97 RDL Added IA64. * 01-30-98 GJF Added appropriate defs for ptrdiff_t and offsetof * 02-03-98 GJF Changes for Win64: added int_ptr and uint_ptr. * 12-15-98 GJF Changes for 64-bit size_t. * 05-13-99 PML Remove _CRTAPI1 * 05-17-99 PML Remove all Macintosh support. * 10-06-99 PML Add _W64 modifier to types which are 32 bits in Win32, * 64 bits in Win64. * ****/ #if _MSC_VER > 1000 /*IFSTRIP=IGN*/ #pragma once #endif #ifndef _INC_STDDEF #define _INC_STDDEF #if !defined(_WIN32) #error ERROR: Only Win32 target supported! #endif #ifndef _CRTBLD /* This version of the header files is NOT for user programs. * It is intended for use when building the C runtimes ONLY. * The version intended for public use will not have this message. */ #error ERROR: Use of C runtime library internal header file. #endif /* _CRTBLD */ #ifdef __cplusplus extern "C" { #endif #ifndef _INTERNAL_IFSTRIP_ #include #endif /* _INTERNAL_IFSTRIP_ */ #if !defined(_W64) #if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 /*IFSTRIP=IGN*/ #define _W64 __w64 #else #define _W64 #endif #endif /* Define _CRTIMP */ #ifndef _CRTIMP #ifdef CRTDLL #define _CRTIMP __declspec(dllexport) #else /* ndef CRTDLL */ #ifdef _DLL #define _CRTIMP __declspec(dllimport) #else /* ndef _DLL */ #define _CRTIMP #endif /* _DLL */ #endif /* CRTDLL */ #endif /* _CRTIMP */ /* Define __cdecl for non-Microsoft compilers */ #if ( !defined(_MSC_VER) && !defined(__cdecl) ) #define __cdecl #endif /* Define NULL pointer value */ #ifndef NULL #ifdef __cplusplus #define NULL 0 #else #define NULL ((void *)0) #endif #endif /* Declare reference to errno */ #if defined(_MT) || defined(_DLL) _CRTIMP extern int * __cdecl _errno(void); #define errno (*_errno()) #else /* ndef _MT && ndef _DLL */ _CRTIMP extern int errno; #endif /* _MT || _DLL */ /* Define the implementation dependent size types */ #ifndef _INTPTR_T_DEFINED #ifdef _WIN64 typedef __int64 intptr_t; #else typedef _W64 int intptr_t; #endif #define _INTPTR_T_DEFINED #endif #ifndef _UINTPTR_T_DEFINED #ifdef _WIN64 typedef unsigned __int64 uintptr_t; #else typedef _W64 unsigned int uintptr_t; #endif #define _UINTPTR_T_DEFINED #endif #ifndef _PTRDIFF_T_DEFINED #ifdef _WIN64 typedef __int64 ptrdiff_t; #else typedef _W64 int ptrdiff_t; #endif #define _PTRDIFF_T_DEFINED #endif #ifndef _SIZE_T_DEFINED #ifdef _WIN64 typedef unsigned __int64 size_t; #else typedef _W64 unsigned int size_t; #endif #define _SIZE_T_DEFINED #endif #ifndef _WCHAR_T_DEFINED typedef unsigned short wchar_t; #define _WCHAR_T_DEFINED #endif /* Define offsetof macro */ #ifdef _WIN64 #define offsetof(s,m) (size_t)( (ptrdiff_t)&(((s *)0)->m) ) #else #define offsetof(s,m) (size_t)&(((s *)0)->m) #endif #ifdef _MT _CRTIMP extern unsigned long __cdecl __threadid(void); #define _threadid (__threadid()) _CRTIMP extern uintptr_t __cdecl __threadhandle(void); #endif #ifdef __cplusplus } #endif #endif /* _INC_STDDEF */