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80 lines
2.6 KiB
80 lines
2.6 KiB
// 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 */
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