IOSTREAM头文件

IOSTREAM.H头文件(VC++6.0)

/***
*iostream.h - definitions/declarations for iostream classes
*
* Copyright (c) 1990-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the classes, values, macros, and functions
* used by the iostream classes.
* [AT&T C++]
*
* [Public]
*
****/

#if _MSC_VER > 1000
#pragma once
#endif

#ifdef __cplusplus

#ifndef _INC_IOSTREAM
#define _INC_IOSTREAM

#if !defined(_WIN32) && !defined(_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif


#ifdef _MSC_VER
// Currently, all MS C compilers for Win32 platforms default to 8 byte
// alignment.
#pragma pack(push,8)

#include <useoldio.h>

#endif // _MSC_VER


/* Define _CRTIMP */

#ifndef _CRTIMP
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* _CRTIMP */


typedef long streamoff, streampos;

#include <ios.h> // Define ios.

#include <streamb.h> // Define streambuf.

#include <istream.h> // Define istream.

#include <ostream.h> // Define ostream.

#ifdef _MSC_VER
// C4514: "unreferenced inline function has been removed"
#pragma warning(disable:4514) // disable C4514 warning
// #pragma warning(default:4514) // use this to reenable, if desired
#endif // _MSC_VER

class _CRTIMP iostream : public istream, public ostream {
public:
iostream(streambuf*);
virtual ~iostream();
protected:
iostream();
iostream(const iostream&);
inline iostream& operator=(streambuf*);
inline iostream& operator=(iostream&);
private:
iostream(ios&);
iostream(istream&);
iostream(ostream&);
};

inline iostream& iostream::operator=(streambuf* _sb) { istream::operator=(_sb); ostream::operator=(_sb); return *this; }

inline iostream& iostream::operator=(iostream& _strm) { return operator=(_strm.rdbuf()); }

class _CRTIMP Iostream_init {
public:
Iostream_init();
Iostream_init(ios &, int =0); // treat as private
~Iostream_init();
};

// used internally
// static Iostream_init __iostreaminit; // initializes cin/cout/cerr/clog


#ifdef _MSC_VER
// Restore previous packing
#pragma pack(pop)
#endif // _MSC_VER

#endif // _INC_IOSTREAM

#endif /* __cplusplus */