1 // { dg-do compile } 2 // { dg-require-c-std "" } 3 4 // Copyright (C) 2007-2016 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 // You should have received a copy of the GNU General Public License along 18 // with this library; see the file COPYING3. If not see 19 // <http://www.gnu.org/licenses/>. 20 21 #include <iostream> 22 23 namespace std { 24 extern istream cin; 25 extern ostream cout; 26 extern ostream cerr; 27 extern ostream clog; 28 extern wistream wcin; 29 extern wostream wcout; 30 extern wostream wcerr; 31 extern wostream wclog; 32 } 33