# iostream

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    00001 // Standard iostream objects -*- C++ -*-
    00002
    00003 // Copyright (C) 1997, 1998, 1999, 2001, 2002, 2005, 2008, 2009
    00004 // Free Software Foundation, Inc.
    00005 //
    00006 // This file is part of the GNU ISO C++ Library.  This library is free
    00007 // software; you can redistribute it and/or modify it under the
    00008 // terms of the GNU General Public License as published by the
    00009 // Free Software Foundation; either version 3, or (at your option)
    00010 // any later version.
    00011
    00012 // This library is distributed in the hope that it will be useful,
    00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015 // GNU General Public License for more details.
    00016
    00017 // Under Section 7 of GPL version 3, you are granted additional
    00018 // permissions described in the GCC Runtime Library Exception, version
    00019 // 3.1, as published by the Free Software Foundation.
    00020
    00021 // You should have received a copy of the GNU General Public License and
    00022 // a copy of the GCC Runtime Library Exception along with this program;
    00023 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    00024 // <http://www.gnu.org/licenses/>.
    00025
    00026 /** @file iostream
    00027  *  This is a Standard C++ Library header.
    00028  */
    00029
    00030 //
    00031 // ISO C++ 14882: 27.3  Standard iostream objects
    00032 //
    00033
    00034 #ifndef _GLIBCXX_IOSTREAM
    00035 #define _GLIBCXX_IOSTREAM 1
    00036
    00037 #pragma GCC system_header
    00038
    00039 #include <bits/c++config.h>
    00040 #include <ostream>
    00041 #include <istream>
    00042
    00043 _GLIBCXX_BEGIN_NAMESPACE(std)
    00044
    00045   /**
    00046    *  @name Standard Stream Objects
    00047    *
    00048    *  The &lt;iostream&gt; header declares the eight <em>standard stream
    00049    *  objects</em>.  For other declarations, see
    00050    *  http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch24.html
    00051    *  and the @link iosfwd I/O forward declarations @endlink
    00052    *
    00053    *  They are required by default to cooperate with the global C library's
    00054    *  @c FILE streams, and to be available during program startup and
    00055    *  termination.  For more information, see the HOWTO linked to above.
    00056   */
    00057   //@{
    00058   extern istream cin;       ///< Linked to standard input
    00059   extern ostream cout;      ///< Linked to standard output
    00060   extern ostream cerr;      ///< Linked to standard error (unbuffered)
    00061   extern ostream clog;      ///< Linked to standard error (buffered)
    00062
    00063 #ifdef _GLIBCXX_USE_WCHAR_T
    00064   extern wistream wcin;     ///< Linked to standard input
    00065   extern wostream wcout;    ///< Linked to standard output
    00066   extern wostream wcerr;    ///< Linked to standard error (unbuffered)
    00067   extern wostream wclog;    ///< Linked to standard error (buffered)
    00068 #endif
    00069   //@}
    00070
    00071   // For construction of filebuffers for cout, cin, cerr, clog et. al.
    00072   static ios_base::Init __ioinit;
    00073
    00074 _GLIBCXX_END_NAMESPACE
    00075
    00076 #endif /* _GLIBCXX_IOSTREAM */