1                 : // Standard iostream objects -*- C++ -*-
       2                 : 
       3                 : // Copyright (C) 1997, 1998, 1999, 2001, 2002, 2005
       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 2, 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                 : // You should have received a copy of the GNU General Public License along
      18                 : // with this library; see the file COPYING.  If not, write to the Free
      19                 : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
      20                 : // USA.
      21                 : 
      22                 : // As a special exception, you may use this file as part of a free software
      23                 : // library without restriction.  Specifically, if other files instantiate
      24                 : // templates or use macros or inline functions from this file, or you compile
      25                 : // this file and link it with other files to produce an executable, this
      26                 : // file does not by itself cause the resulting executable to be covered by
      27                 : // the GNU General Public License.  This exception does not however
      28                 : // invalidate any other reasons why the executable file might be covered by
      29                 : // the GNU General Public License.
      30                 : 
      31                 : /** @file iostream
      32                 :  *  This is a Standard C++ Library header. 
      33                 :  */
      34                 : 
      35                 : //
      36                 : // ISO C++ 14882: 27.3  Standard iostream objects
      37                 : //
      38                 : 
      39                 : #ifndef _GLIBCXX_IOSTREAM
      40                 : #define _GLIBCXX_IOSTREAM 1
      41                 : 
      42                 : #pragma GCC system_header
      43                 : 
      44                 : #include <bits/c++config.h>
      45                 : #include <ostream>
      46                 : #include <istream>
      47                 : 
      48                 : _GLIBCXX_BEGIN_NAMESPACE(std)
      49                 : 
      50                 :   /**
      51                 :    *  @name Standard Stream Objects
      52                 :    *
      53                 :    *  The &lt;iostream&gt; header declares the eight <em>standard stream
      54                 :    *  objects</em>.  For other declarations, see
      55                 :    *  http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#10 and the
      56                 :    *  @link s27_2_iosfwd I/O forward declarations @endlink
      57                 :    *
      58                 :    *  They are required by default to cooperate with the global C library's
      59                 :    *  @c FILE streams, and to be available during program startup and
      60                 :    *  termination.  For more information, see the HOWTO linked to above.
      61                 :   */
      62                 :   //@{
      63                 :   extern istream cin;           ///< Linked to standard input
      64                 :   extern ostream cout;          ///< Linked to standard output
      65                 :   extern ostream cerr;          ///< Linked to standard error (unbuffered)
      66                 :   extern ostream clog;          ///< Linked to standard error (buffered)
      67                 : 
      68                 : #ifdef _GLIBCXX_USE_WCHAR_T
      69                 :   extern wistream wcin;         ///< Linked to standard input
      70                 :   extern wostream wcout;        ///< Linked to standard output
      71                 :   extern wostream wcerr;        ///< Linked to standard error (unbuffered)
      72                 :   extern wostream wclog;        ///< Linked to standard error (buffered)
      73                 : #endif
      74                 :   //@}
      75                 : 
      76                 :   // For construction of filebuffers for cout, cin, cerr, clog et. al.
      77              19 :   static ios_base::Init __ioinit;
      78                 : 
      79                 : _GLIBCXX_END_NAMESPACE
      80                 : 
      81                 : #endif /* _GLIBCXX_IOSTREAM */