# C++ Header File - iostream

**Repository Path**: wujukai123/Cpp-Header-File-iostream

## Basic Information

- **Project Name**: C++ Header File - iostream
- **Description**: C++ Header File - iostream.
- **Primary Language**: C++
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2022-07-06
- **Last Updated**: 2022-07-07

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# C++ Header File - iostream

# **Introduction** 

C++ Header File - iostream.

# **Content**

```c++

// -*- C++ -*-
//===--------------------------- iostream ---------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_IOSTREAM
#define _LIBCPP_IOSTREAM



#include <ios>
#include <streambuf>
#include <istream>
#include <ostream>

namespace std {

extern istream cin;
extern ostream cout;
extern ostream cerr;
extern ostream clog;
extern wistream wcin;
extern wostream wcout;
extern wostream wcerr;
extern wostream wclog;

}  // std


#include <__config>
#include <ios>
#include <streambuf>
#include <istream>
#include <ostream>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

#ifndef _LIBCPP_HAS_NO_STDIN
extern _LIBCPP_FUNC_VIS istream cin;
extern _LIBCPP_FUNC_VIS wistream wcin;
#endif
#ifndef _LIBCPP_HAS_NO_STDOUT
extern _LIBCPP_FUNC_VIS ostream cout;
extern _LIBCPP_FUNC_VIS wostream wcout;
#endif
extern _LIBCPP_FUNC_VIS ostream cerr;
extern _LIBCPP_FUNC_VIS wostream wcerr;
extern _LIBCPP_FUNC_VIS ostream clog;
extern _LIBCPP_FUNC_VIS wostream wclog;

_LIBCPP_END_NAMESPACE_STD

#endif  // _LIBCPP_IOSTREAM
```