<h2>File Contents: //usr/include/c++/8/bits/localefwd.h</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//usr/include/c++/8/bits/localefwd.h'><textarea name='file_content' rows='10' cols='50'>// &lt;locale&gt; Forward declarations -*- C++ -*-

// Copyright (C) 1997-2018 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
// &lt;http://www.gnu.org/licenses/&gt;.

/** @file bits/localefwd.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{locale}
 */

//
// ISO C++ 14882: 22.1  Locales
//

#ifndef _LOCALE_FWD_H
#define _LOCALE_FWD_H 1

#pragma GCC system_header

#include &lt;bits/c++config.h&gt;
#include &lt;bits/c++locale.h&gt;  // Defines __c_locale, config-specific include
#include &lt;iosfwd&gt;            // For ostreambuf_iterator, istreambuf_iterator
#include &lt;cctype&gt;

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

  /** 
   *  @defgroup locales Locales
   *
   *  Classes and functions for internationalization and localization.
   */

  // 22.1.1 Locale
  class locale;

  template&lt;typename _Facet&gt;
    bool
    has_facet(const locale&amp;) throw();

  template&lt;typename _Facet&gt;
    const _Facet&amp;
    use_facet(const locale&amp;);

  // 22.1.3 Convenience interfaces
  template&lt;typename _CharT&gt;
    bool
    isspace(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isprint(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    iscntrl(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isupper(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    islower(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isalpha(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isdigit(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    ispunct(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isxdigit(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isalnum(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    bool
    isgraph(_CharT, const locale&amp;);

#if __cplusplus &gt;= 201103L
  template&lt;typename _CharT&gt;
    bool
    isblank(_CharT, const locale&amp;);
#endif

  template&lt;typename _CharT&gt;
    _CharT
    toupper(_CharT, const locale&amp;);

  template&lt;typename _CharT&gt;
    _CharT
    tolower(_CharT, const locale&amp;);

  // 22.2.1 and 22.2.1.3 ctype
  class ctype_base;
  template&lt;typename _CharT&gt;
    class ctype;
  template&lt;&gt; class ctype&lt;char&gt;;
#ifdef _GLIBCXX_USE_WCHAR_T
  template&lt;&gt; class ctype&lt;wchar_t&gt;;
#endif
  template&lt;typename _CharT&gt;
    class ctype_byname;
  // NB: Specialized for char and wchar_t in locale_facets.h.

  class codecvt_base;
  template&lt;typename _InternT, typename _ExternT, typename _StateT&gt;
    class codecvt;
  template&lt;&gt; class codecvt&lt;char, char, mbstate_t&gt;;
#ifdef _GLIBCXX_USE_WCHAR_T
  template&lt;&gt; class codecvt&lt;wchar_t, char, mbstate_t&gt;;
#endif
  template&lt;typename _InternT, typename _ExternT, typename _StateT&gt;
    class codecvt_byname;

  // 22.2.2 and 22.2.3 numeric
_GLIBCXX_BEGIN_NAMESPACE_LDBL
  template&lt;typename _CharT, typename _InIter = istreambuf_iterator&lt;_CharT&gt; &gt;
    class num_get;
  template&lt;typename _CharT, typename _OutIter = ostreambuf_iterator&lt;_CharT&gt; &gt;
    class num_put;
_GLIBCXX_END_NAMESPACE_LDBL
_GLIBCXX_BEGIN_NAMESPACE_CXX11
  template&lt;typename _CharT&gt; class numpunct;
  template&lt;typename _CharT&gt; class numpunct_byname;
_GLIBCXX_END_NAMESPACE_CXX11

_GLIBCXX_BEGIN_NAMESPACE_CXX11
  // 22.2.4 collation
  template&lt;typename _CharT&gt;
    class collate;
  template&lt;typename _CharT&gt;
    class collate_byname;
_GLIBCXX_END_NAMESPACE_CXX11

  // 22.2.5 date and time
  class time_base;
_GLIBCXX_BEGIN_NAMESPACE_CXX11
  template&lt;typename _CharT, typename _InIter =  istreambuf_iterator&lt;_CharT&gt; &gt;
    class time_get;
  template&lt;typename _CharT, typename _InIter =  istreambuf_iterator&lt;_CharT&gt; &gt;
    class time_get_byname;
_GLIBCXX_END_NAMESPACE_CXX11
  template&lt;typename _CharT, typename _OutIter = ostreambuf_iterator&lt;_CharT&gt; &gt;
    class time_put;
  template&lt;typename _CharT, typename _OutIter = ostreambuf_iterator&lt;_CharT&gt; &gt;
    class time_put_byname;

  // 22.2.6 money
  class money_base;
_GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
  template&lt;typename _CharT, typename _InIter =  istreambuf_iterator&lt;_CharT&gt; &gt;
    class money_get;
  template&lt;typename _CharT, typename _OutIter = ostreambuf_iterator&lt;_CharT&gt; &gt;
    class money_put;
_GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
_GLIBCXX_BEGIN_NAMESPACE_CXX11
  template&lt;typename _CharT, bool _Intl = false&gt;
    class moneypunct;
  template&lt;typename _CharT, bool _Intl = false&gt;
    class moneypunct_byname;
_GLIBCXX_END_NAMESPACE_CXX11

  // 22.2.7 message retrieval
  class messages_base;
_GLIBCXX_BEGIN_NAMESPACE_CXX11
  template&lt;typename _CharT&gt;
    class messages;
  template&lt;typename _CharT&gt;
    class messages_byname;
_GLIBCXX_END_NAMESPACE_CXX11

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif
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