iostream

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00001 // Standard iostream objects -*- C++ -*- 00002 00003 // Copyright (C) 1997, 1998, 1999, 2001, 2002 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 // 00031 // ISO C++ 14882: 27.3 Standard iostream objects 00032 // 00033 00034 /** @file iostream 00035 * This is a Standard C++ Library header. You should @c #include this header 00036 * in your programs, rather than any of the "st[dl]_*.h" implementation files. 00037 */ 00038 00039 #ifndef _GLIBCXX_IOSTREAM 00040 #define _GLIBCXX_IOSTREAM 1 00041 00042 #pragma GCC system_header 00043 00044 #include <bits/c++config.h> 00045 #include <ostream> 00046 #include <istream> 00047 00048 namespace std 00049 { 00050 /** 00051 * @name Standard Stream Objects 00052 * 00053 * The &lt;iostream&gt; header declares the eight <em>standard stream 00054 * objects</em>. For other declarations, see 00055 * http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#10 and the 00056 * @link s27_2_iosfwd I/O forward declarations @endlink 00057 * 00058 * They are required by default to cooperate with the global C library's 00059 * @c FILE streams, and to be available during program startup and 00060 * termination. For more information, see the HOWTO linked to above. 00061 */ 00062 //@{ 00063 extern istream cin; ///< Linked to standard input 00064 extern ostream cout; ///< Linked to standard output 00065 extern ostream cerr; ///< Linked to standard error (unbuffered) 00066 extern ostream clog; ///< Linked to standard error (buffered) 00067 00068 #ifdef _GLIBCXX_USE_WCHAR_T 00069 extern wistream wcin; ///< Linked to standard input 00070 extern wostream wcout; ///< Linked to standard output 00071 extern wostream wcerr; ///< Linked to standard error (unbuffered) 00072 extern wostream wclog; ///< Linked to standard error (buffered) 00073 #endif 00074 //@} 00075 00076 // For construction of filebuffers for cout, cin, cerr, clog et. al. 00077 static ios_base::Init __ioinit; 00078 } // namespace std 00079 00080 #endif /* _GLIBCXX_IOSTREAM */

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