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Name	Size	Permission
backward	[ DIR ]	drwxr-xr-x
bits	[ DIR ]	drwxr-xr-x
debug	[ DIR ]	drwxr-xr-x
decimal	[ DIR ]	drwxr-xr-x
experimental	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
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profile	[ DIR ]	drwxr-xr-x
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algorithm	2.46 KB	-rw-r--r--
any	18.48 KB	-rw-r--r--
array	11.12 KB	-rw-r--r--
atomic	40.01 KB	-rw-r--r--
bitset	44.81 KB	-rw-r--r--
cassert	1.61 KB	-rw-r--r--
ccomplex	1.3 KB	-rw-r--r--
cctype	2.35 KB	-rw-r--r--
cerrno	1.73 KB	-rw-r--r--
cfenv	2 KB	-rw-r--r--
cfloat	1.84 KB	-rw-r--r--
chrono	29.38 KB	-rw-r--r--
cinttypes	2.11 KB	-rw-r--r--
ciso646	1.43 KB	-rw-r--r--
climits	1.87 KB	-rw-r--r--
clocale	1.86 KB	-rw-r--r--
cmath	47.35 KB	-rw-r--r--
codecvt	5.22 KB	-rw-r--r--
complex	52.93 KB	-rw-r--r--
complex.h	1.43 KB	-rw-r--r--
condition_variable	8.74 KB	-rw-r--r--
csetjmp	1.9 KB	-rw-r--r--
csignal	1.81 KB	-rw-r--r--
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cstdint	2.12 KB	-rw-r--r--
cstdio	4.33 KB	-rw-r--r--
cstdlib	6.18 KB	-rw-r--r--
cstring	3.05 KB	-rw-r--r--
ctgmath	1.33 KB	-rw-r--r--
ctime	2.08 KB	-rw-r--r--
cuchar	2.16 KB	-rw-r--r--
cwchar	6.36 KB	-rw-r--r--
cwctype	2.73 KB	-rw-r--r--
cxxabi.h	21.46 KB	-rw-r--r--
deque	2.6 KB	-rw-r--r--
exception	4.67 KB	-rw-r--r--
fenv.h	1.97 KB	-rw-r--r--
forward_list	1.54 KB	-rw-r--r--
fstream	33.05 KB	-rw-r--r--
functional	38.64 KB	-rw-r--r--
future	49.49 KB	-rw-r--r--
initializer_list	2.9 KB	-rw-r--r--
iomanip	15.75 KB	-rw-r--r--
ios	1.56 KB	-rw-r--r--
iosfwd	6.76 KB	-rw-r--r--
iostream	2.63 KB	-rw-r--r--
istream	32.07 KB	-rw-r--r--
iterator	2.58 KB	-rw-r--r--
limits	67.56 KB	-rw-r--r--
list	2.53 KB	-rw-r--r--
locale	1.45 KB	-rw-r--r--
map	2.5 KB	-rw-r--r--
math.h	4.28 KB	-rw-r--r--
memory	4.6 KB	-rw-r--r--
mutex	17.88 KB	-rw-r--r--
new	7.33 KB	-rw-r--r--
numeric	5.11 KB	-rw-r--r--
optional	30.39 KB	-rw-r--r--
ostream	21.46 KB	-rw-r--r--
queue	2.41 KB	-rw-r--r--
random	1.65 KB	-rw-r--r--
ratio	19.42 KB	-rw-r--r--
regex	1.85 KB	-rw-r--r--
scoped_allocator	15.84 KB	-rw-r--r--
set	2.5 KB	-rw-r--r--
shared_mutex	18.95 KB	-rw-r--r--
sstream	26.21 KB	-rw-r--r--
stack	2.33 KB	-rw-r--r--
stdexcept	7.79 KB	-rw-r--r--
stdlib.h	2.2 KB	-rw-r--r--
streambuf	28.87 KB	-rw-r--r--
string	1.89 KB	-rw-r--r--
string_view	20.8 KB	-rw-r--r--
system_error	11.25 KB	-rw-r--r--
tgmath.h	1.33 KB	-rw-r--r--
thread	10.03 KB	-rw-r--r--
tuple	58.22 KB	-rw-r--r--
type_traits	90.28 KB	-rw-r--r--
typeindex	3.02 KB	-rw-r--r--
typeinfo	7.51 KB	-rw-r--r--
unordered_map	1.81 KB	-rw-r--r--
unordered_set	1.81 KB	-rw-r--r--
utility	12.16 KB	-rw-r--r--
valarray	39.33 KB	-rw-r--r--
variant	42.09 KB	-rw-r--r--
vector	2.68 KB	-rw-r--r--

Code Editor : iosfwd

// <iosfwd> Forward declarations -*- C++ -*-

// Copyright (C) 1997-2017 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file include/iosfwd
 *  This is a Standard C++ Library header.
 */

//
// ISO C++ 14882: 27.2  Forward declarations
//

#ifndef _GLIBCXX_IOSFWD
#define _GLIBCXX_IOSFWD 1

#pragma GCC system_header

#include <bits/c++config.h>
#include <bits/stringfwd.h> 	// For string forward declarations.
#include <bits/postypes.h>

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

/**
   *  @defgroup io I/O
   *
   *  Nearly all of the I/O classes are parameterized on the type of
   *  characters they read and write.  (The major exception is ios_base at
   *  the top of the hierarchy.)  This is a change from pre-Standard
   *  streams, which were not templates.
   *
   *  For ease of use and compatibility, all of the basic_* I/O-related
   *  classes are given typedef names for both of the builtin character
   *  widths (wide and narrow).  The typedefs are the same as the
   *  pre-Standard names, for example:
   *
   *  @code
   *     typedef basic_ifstream<char>  ifstream;
   *  @endcode
   *
   *  Because properly forward-declaring these classes can be difficult, you
   *  should not do it yourself.  Instead, include the &lt;iosfwd&gt;
   *  header, which contains only declarations of all the I/O classes as
   *  well as the typedefs.  Trying to forward-declare the typedefs
   *  themselves (e.g., <code>class ostream;</code>) is not valid ISO C++.
   *
   *  For more specific declarations, see
   *  https://gcc.gnu.org/onlinedocs/libstdc++/manual/io.html#std.io.objects
   *
   *  @{
  */
  class ios_base;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_ios;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_streambuf;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_istream;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_ostream;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_iostream;

_GLIBCXX_BEGIN_NAMESPACE_CXX11

template<typename _CharT, typename _Traits = char_traits<_CharT>,
	    typename _Alloc = allocator<_CharT> >
    class basic_stringbuf;

template<typename _CharT, typename _Traits = char_traits<_CharT>,
	   typename _Alloc = allocator<_CharT> >
    class basic_istringstream;

template<typename _CharT, typename _Traits = char_traits<_CharT>,
	   typename _Alloc = allocator<_CharT> >
    class basic_ostringstream;

template<typename _CharT, typename _Traits = char_traits<_CharT>,
	   typename _Alloc = allocator<_CharT> >
    class basic_stringstream;

_GLIBCXX_END_NAMESPACE_CXX11

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_filebuf;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_ifstream;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_ofstream;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class basic_fstream;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class istreambuf_iterator;

template<typename _CharT, typename _Traits = char_traits<_CharT> >
    class ostreambuf_iterator;

/// Base class for @c char streams.
  typedef basic_ios<char> 		ios;

/// Base class for @c char buffers.
  typedef basic_streambuf<char> 	streambuf;

/// Base class for @c char input streams.
  typedef basic_istream<char> 		istream;

/// Base class for @c char output streams.
  typedef basic_ostream<char> 		ostream;

/// Base class for @c char mixed input and output streams.
  typedef basic_iostream<char> 		iostream;

/// Class for @c char memory buffers.
  typedef basic_stringbuf<char> 	stringbuf;

/// Class for @c char input memory streams.
  typedef basic_istringstream<char> 	istringstream;

/// Class for @c char output memory streams.
  typedef basic_ostringstream<char> 	ostringstream;

/// Class for @c char mixed input and output memory streams.
  typedef basic_stringstream<char> 	stringstream;

/// Class for @c char file buffers.
  typedef basic_filebuf<char> 		filebuf;

/// Class for @c char input file streams.
  typedef basic_ifstream<char> 		ifstream;

/// Class for @c char output file streams.
  typedef basic_ofstream<char> 		ofstream;

/// Class for @c char mixed input and output file streams.
  typedef basic_fstream<char> 		fstream;

#ifdef _GLIBCXX_USE_WCHAR_T
  /// Base class for @c wchar_t streams.
  typedef basic_ios<wchar_t> 		wios;

/// Base class for @c wchar_t buffers.
  typedef basic_streambuf<wchar_t> 	wstreambuf;

/// Base class for @c wchar_t input streams.
  typedef basic_istream<wchar_t> 	wistream;

/// Base class for @c wchar_t output streams.
  typedef basic_ostream<wchar_t> 	wostream;

/// Base class for @c wchar_t mixed input and output streams.
  typedef basic_iostream<wchar_t> 	wiostream;

/// Class for @c wchar_t memory buffers.
  typedef basic_stringbuf<wchar_t> 	wstringbuf;

/// Class for @c wchar_t input memory streams.
  typedef basic_istringstream<wchar_t> 	wistringstream;

/// Class for @c wchar_t output memory streams.
  typedef basic_ostringstream<wchar_t> 	wostringstream;

/// Class for @c wchar_t mixed input and output memory streams.
  typedef basic_stringstream<wchar_t> 	wstringstream;

/// Class for @c wchar_t file buffers.
  typedef basic_filebuf<wchar_t> 	wfilebuf;

/// Class for @c wchar_t input file streams.
  typedef basic_ifstream<wchar_t> 	wifstream;

/// Class for @c wchar_t output file streams.
  typedef basic_ofstream<wchar_t> 	wofstream;

/// Class for @c wchar_t mixed input and output file streams.
  typedef basic_fstream<wchar_t> 	wfstream;
#endif
  /** @}  */

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace

#endif /* _GLIBCXX_IOSFWD */

${this.title}

Code Editor : iosfwd