Line data    Source code

       1             : // Standard iostream objects -*- C++ -*-
       2             : 
       3             : // Copyright (C) 1997, 1998, 1999, 2001, 2002, 2005, 2008, 2009
       4             : // Free Software Foundation, Inc.
       5             : //
       6             : // This file is part of the GNU ISO C++ Library.  This library is free
       7             : // software; you can redistribute it and/or modify it under the
       8             : // terms of the GNU General Public License as published by the
       9             : // Free Software Foundation; either version 3, or (at your option)
      10             : // any later version.
      11             : 
      12             : // This library is distributed in the hope that it will be useful,
      13             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             : // GNU General Public License for more details.
      16             : 
      17             : // Under Section 7 of GPL version 3, you are granted additional
      18             : // permissions described in the GCC Runtime Library Exception, version
      19             : // 3.1, as published by the Free Software Foundation.
      20             : 
      21             : // You should have received a copy of the GNU General Public License and
      22             : // a copy of the GCC Runtime Library Exception along with this program;
      23             : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24             : // <http://www.gnu.org/licenses/>.
      25             : 
      26             : /** @file iostream
      27             :  *  This is a Standard C++ Library header. 
      28             :  */
      29             : 
      30             : //
      31             : // ISO C++ 14882: 27.3  Standard iostream objects
      32             : //
      33             : 
      34             : #ifndef _GLIBCXX_IOSTREAM
      35             : #define _GLIBCXX_IOSTREAM 1
      36             : 
      37             : #pragma GCC system_header
      38             : 
      39             : #include <bits/c++config.h>
      40             : #include <ostream>
      41             : #include <istream>
      42             : 
      43             : _GLIBCXX_BEGIN_NAMESPACE(std)
      44             : 
      45             :   /**
      46             :    *  @name Standard Stream Objects
      47             :    *
      48             :    *  The &lt;iostream&gt; header declares the eight <em>standard stream
      49             :    *  objects</em>.  For other declarations, see
      50             :    *  http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch24.html
      51             :    *  and the @link iosfwd I/O forward declarations @endlink
      52             :    *
      53             :    *  They are required by default to cooperate with the global C library's
      54             :    *  @c FILE streams, and to be available during program startup and
      55             :    *  termination.  For more information, see the HOWTO linked to above.
      56             :   */
      57             :   //@{
      58             :   extern istream cin;           ///< Linked to standard input
      59             :   extern ostream cout;          ///< Linked to standard output
      60             :   extern ostream cerr;          ///< Linked to standard error (unbuffered)
      61             :   extern ostream clog;          ///< Linked to standard error (buffered)
      62             : 
      63             : #ifdef _GLIBCXX_USE_WCHAR_T
      64             :   extern wistream wcin;         ///< Linked to standard input
      65             :   extern wostream wcout;        ///< Linked to standard output
      66             :   extern wostream wcerr;        ///< Linked to standard error (unbuffered)
      67             :   extern wostream wclog;        ///< Linked to standard error (buffered)
      68             : #endif
      69             :   //@}
      70             : 
      71             :   // For construction of filebuffers for cout, cin, cerr, clog et. al.
      72           7 :   static ios_base::Init __ioinit;
      73             : 
      74             : _GLIBCXX_END_NAMESPACE
      75             : 
      76             : #endif /* _GLIBCXX_IOSTREAM */