c++io.h
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// Underlying io library details -*- C++ -*-
// Copyright (C) 2000-2022 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 bits/c++io.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{ios}
*/
// c_io_stdio.h - Defines for using "C" stdio.h
#ifndef _GLIBCXX_CXX_IO_H
#define _GLIBCXX_CXX_IO_H 1
#include <cstdio>
#include <bits/gthr.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
typedef __gthread_mutex_t __c_lock;
// for basic_file.h
typedef FILE __c_file;
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif
std
ISO C++ entities toplevel namespace is std.
cstdio