// Standard iostream objects -*- C++ -*-// Copyright (C) 1997, 1998, 1999, 2001, 2002 Free Software Foundation, Inc.//// This file is part of the GNU ISO C++ Library. This library is free// software; you can redistribute it and/or modify it under the// terms of the GNU General Public License as published by the// Free Software Foundation; either version 2, or (at your option)// any later version.// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the// GNU General Public License for more details.// You should have received a copy of the GNU General Public License along// with this library; see the file COPYING. If not, write to the Free// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.// As a special exception, you may use this file as part of a free software// library without restriction. Specifically, if other files instantiate// templates or use macros or inline functions from this file, or you compile// this file and link it with other files to produce an executable, this// file does not by itself cause the resulting executable to be covered by// the GNU General Public License. This exception does not however// invalidate any other reasons why the executable file might be covered by// the GNU General Public License.//// ISO C++ 14882: 27.3 Standard iostream objects///** @file iostream* This is a Standard C++ Library header.*/#ifndef _GLIBCXX_IOSTREAM#define _GLIBCXX_IOSTREAM 1#pragma GCC system_header#include <bits/c++config.h>#include <ostream>#include <istream>namespace std{/*** @name Standard Stream Objects** The <iostream> header declares the eight <em>standard stream* objects</em>. For other declarations, see* http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#10 and the* @link s27_2_iosfwd I/O forward declarations @endlink** They are required by default to cooperate with the global C library's* @c FILE streams, and to be available during program startup and* termination. For more information, see the HOWTO linked to above.*///@{extern istream cin; ///< Linked to standard inputextern ostream cout; ///< Linked to standard outputextern ostream cerr; ///< Linked to standard error (unbuffered)extern ostream clog; ///< Linked to standard error (buffered)#ifdef _GLIBCXX_USE_WCHAR_Textern wistream wcin; ///< Linked to standard inputextern wostream wcout; ///< Linked to standard outputextern wostream wcerr; ///< Linked to standard error (unbuffered)extern wostream wclog; ///< Linked to standard error (buffered)#endif//@}// For construction of filebuffers for cout, cin, cerr, clog et. al.static ios_base::Init __ioinit;} // namespace std#endif /* _GLIBCXX_IOSTREAM */