| // Standard iostream objects -*- C++ -*- |
| |
| // Copyright (C) 1997-2020 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 3, 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. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file include/iostream |
| * This is a Standard C++ Library header. |
| */ |
| |
| // |
| // ISO C++ 14882: 27.3 Standard iostream objects |
| // |
| |
| #ifndef _GLIBCXX_IOSTREAM |
| #define _GLIBCXX_IOSTREAM 1 |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| #include <ostream> |
| #include <istream> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| /** |
| * @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++/manual/io.html |
| * and the @link 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 section of the |
| * manual linked to above. |
| */ |
| ///@{ |
| extern istream cin; /// Linked to standard input |
| extern ostream cout; /// Linked to standard output |
| extern ostream cerr; /// Linked to standard error (unbuffered) |
| extern ostream clog; /// Linked to standard error (buffered) |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| extern wistream wcin; /// Linked to standard input |
| extern wostream wcout; /// Linked to standard output |
| extern 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; |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| |
| #endif /* _GLIBCXX_IOSTREAM */ |