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54c1bf78 | 1 | // Standard iostream objects -*- C++ -*- |
de96ac46 | 2 | |
7adcbafe | 3 | // Copyright (C) 1997-2022 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
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16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
de96ac46 | 24 | |
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25 | /** @file include/iostream |
26 | * This is a Standard C++ Library header. | |
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27 | */ |
28 | ||
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29 | // |
30 | // ISO C++ 14882: 27.3 Standard iostream objects | |
31 | // | |
32 | ||
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33 | #ifndef _GLIBCXX_IOSTREAM |
34 | #define _GLIBCXX_IOSTREAM 1 | |
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35 | |
36 | #pragma GCC system_header | |
37 | ||
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38 | #include <bits/requires_hosted.h> // iostreams |
39 | ||
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40 | #include <bits/c++config.h> |
41 | #include <ostream> | |
42 | #include <istream> | |
43 | ||
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44 | namespace std _GLIBCXX_VISIBILITY(default) |
45 | { | |
46 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 47 | |
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48 | /** |
49 | * @name Standard Stream Objects | |
50 | * | |
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51 | * The `<iostream>` header declares the eight *standard stream objects*. |
52 | * For other declarations, see | |
07e4f10a | 53 | * http://gcc.gnu.org/onlinedocs/libstdc++/manual/io.html |
5df9ac4b | 54 | * and the @link iosfwd I/O forward declarations @endlink |
840ceb34 | 55 | * |
2a60a9f6 | 56 | * They are required by default to cooperate with the global C |
6e8ce5d6 | 57 | * library's `FILE` streams, and to be available during program |
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58 | * startup and termination. For more information, see the section of the |
59 | * manual linked to above. | |
840ceb34 | 60 | */ |
f0b88346 | 61 | ///@{ |
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62 | extern istream cin; ///< Linked to standard input |
63 | extern ostream cout; ///< Linked to standard output | |
64 | extern ostream cerr; ///< Linked to standard error (unbuffered) | |
65 | extern ostream clog; ///< Linked to standard error (buffered) | |
5112ae3a | 66 | |
3d7c150e | 67 | #ifdef _GLIBCXX_USE_WCHAR_T |
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68 | extern wistream wcin; ///< Linked to standard input |
69 | extern wostream wcout; ///< Linked to standard output | |
70 | extern wostream wcerr; ///< Linked to standard error (unbuffered) | |
71 | extern wostream wclog; ///< Linked to standard error (buffered) | |
725dc051 | 72 | #endif |
f0b88346 | 73 | ///@} |
725dc051 | 74 | |
54c1bf78 | 75 | // For construction of filebuffers for cout, cin, cerr, clog et. al. |
43370384 | 76 | static ios_base::Init __ioinit; |
3cbc7af0 | 77 | |
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78 | _GLIBCXX_END_NAMESPACE_VERSION |
79 | } // namespace | |
725dc051 | 80 | |
1143680e | 81 | #endif /* _GLIBCXX_IOSTREAM */ |