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// Standard iostream objects -*- C++ -*- |
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// Copyright (C) 1997-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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/** @file include/iostream |
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* This is a Standard C++ Library header. |
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*/ |
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// |
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// ISO C++ 14882: 27.3 Standard iostream objects |
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// |
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#ifndef _GLIBCXX_IOSTREAM |
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#define _GLIBCXX_IOSTREAM 1 |
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#pragma GCC system_header |
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#include <bits/c++config.h> |
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#include <ostream> |
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#include <istream> |
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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/** |
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* @name Standard Stream Objects |
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* |
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* The <iostream> header declares the eight <em>standard stream |
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* objects</em>. For other declarations, see |
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* http://gcc.gnu.org/onlinedocs/libstdc++/manual/io.html |
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* and the @link iosfwd I/O forward declarations @endlink |
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* |
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* They are required by default to cooperate with the global C |
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* library's @c FILE streams, and to be available during program |
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* startup and termination. For more information, see the section of the |
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* manual linked to above. |
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*/ |
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///@{ |
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extern istream cin; /// Linked to standard input |
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extern ostream cout; /// Linked to standard output |
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extern ostream cerr; /// Linked to standard error (unbuffered) |
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extern ostream clog; /// Linked to standard error (buffered) |
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#ifdef _GLIBCXX_USE_WCHAR_T |
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extern wistream wcin; /// Linked to standard input |
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extern wostream wcout; /// Linked to standard output |
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extern wostream wcerr; /// Linked to standard error (unbuffered) |
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extern wostream wclog; /// Linked to standard error (buffered) |
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#endif |
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///@} |
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// For construction of filebuffers for cout, cin, cerr, clog et. al. |
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static ios_base::Init __ioinit; |
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace |
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#endif /* _GLIBCXX_IOSTREAM */ |
