// Locale support -*- C++ -*-
	
	// Copyright (C) 2007-2013 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 bits/locale_facets_nonio.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_FACETS_NONIO_H
	#define _LOCALE_FACETS_NONIO_H 1
	
	#pragma GCC system_header
	
	#include <ctime>	// For struct tm
	
	namespace std _GLIBCXX_VISIBILITY(default)
	{
	_GLIBCXX_BEGIN_NAMESPACE_VERSION
	
	  /**
	   *  @brief  Time format ordering data.
	   *  @ingroup locales
	   *
	   *  This class provides an enum representing different orderings of
	   *  time: day, month, and year.
	  */
	  class time_base
	  {
	  public:
	    enum dateorder { no_order, dmy, mdy, ymd, ydm };
	  };
	
	  template<typename _CharT>
	    struct __timepunct_cache : public locale::facet
	    {
	      // List of all known timezones, with GMT first.
	      static const _CharT*		_S_timezones[14];
	
	      const _CharT*			_M_date_format;
	      const _CharT*			_M_date_era_format;
	      const _CharT*			_M_time_format;
	      const _CharT*			_M_time_era_format;
	      const _CharT*			_M_date_time_format;
	      const _CharT*			_M_date_time_era_format;
	      const _CharT*			_M_am;
	      const _CharT*			_M_pm;
	      const _CharT*			_M_am_pm_format;
	
	      // Day names, starting with "C"'s Sunday.
	      const _CharT*			_M_day1;
	      const _CharT*			_M_day2;
	      const _CharT*			_M_day3;
	      const _CharT*			_M_day4;
	      const _CharT*			_M_day5;
	      const _CharT*			_M_day6;
	      const _CharT*			_M_day7;
	
	      // Abbreviated day names, starting with "C"'s Sun.
	      const _CharT*			_M_aday1;
	      const _CharT*			_M_aday2;
	      const _CharT*			_M_aday3;
	      const _CharT*			_M_aday4;
	      const _CharT*			_M_aday5;
	      const _CharT*			_M_aday6;
	      const _CharT*			_M_aday7;
	
	      // Month names, starting with "C"'s January.
	      const _CharT*			_M_month01;
	      const _CharT*			_M_month02;
	      const _CharT*			_M_month03;
	      const _CharT*			_M_month04;
	      const _CharT*			_M_month05;
	      const _CharT*			_M_month06;
	      const _CharT*			_M_month07;
	      const _CharT*			_M_month08;
	      const _CharT*			_M_month09;
	      const _CharT*			_M_month10;
	      const _CharT*			_M_month11;
	      const _CharT*			_M_month12;
	
	      // Abbreviated month names, starting with "C"'s Jan.
	      const _CharT*			_M_amonth01;
	      const _CharT*			_M_amonth02;
	      const _CharT*			_M_amonth03;
	      const _CharT*			_M_amonth04;
	      const _CharT*			_M_amonth05;
	      const _CharT*			_M_amonth06;
	      const _CharT*			_M_amonth07;
	      const _CharT*			_M_amonth08;
	      const _CharT*			_M_amonth09;
	      const _CharT*			_M_amonth10;
	      const _CharT*			_M_amonth11;
	      const _CharT*			_M_amonth12;
	
	      bool				_M_allocated;
	
	      __timepunct_cache(size_t __refs = 0) : facet(__refs),
	      _M_date_format(0), _M_date_era_format(0), _M_time_format(0),
	      _M_time_era_format(0), _M_date_time_format(0),
	      _M_date_time_era_format(0), _M_am(0), _M_pm(0),
	      _M_am_pm_format(0), _M_day1(0), _M_day2(0), _M_day3(0),
	      _M_day4(0), _M_day5(0), _M_day6(0), _M_day7(0),
	      _M_aday1(0), _M_aday2(0), _M_aday3(0), _M_aday4(0),
	      _M_aday5(0), _M_aday6(0), _M_aday7(0), _M_month01(0),
	      _M_month02(0), _M_month03(0), _M_month04(0), _M_month05(0),
	      _M_month06(0), _M_month07(0), _M_month08(0), _M_month09(0),
	      _M_month10(0), _M_month11(0), _M_month12(0), _M_amonth01(0),
	      _M_amonth02(0), _M_amonth03(0), _M_amonth04(0),
	      _M_amonth05(0), _M_amonth06(0), _M_amonth07(0),
	      _M_amonth08(0), _M_amonth09(0), _M_amonth10(0),
	      _M_amonth11(0), _M_amonth12(0), _M_allocated(false)
	      { }
	
	      ~__timepunct_cache();
	
	      void
	      _M_cache(const locale& __loc);
	
	    private:
	      __timepunct_cache&
	      operator=(const __timepunct_cache&);
	      
	      explicit
	      __timepunct_cache(const __timepunct_cache&);
	    };
	
	  template<typename _CharT>
	    __timepunct_cache<_CharT>::~__timepunct_cache()
	    {
	      if (_M_allocated)
		{
		  // Unused.
		}
	    }
	
	  // Specializations.
	  template<>
	    const char*
	    __timepunct_cache<char>::_S_timezones[14];
	
	#ifdef _GLIBCXX_USE_WCHAR_T
	  template<>
	    const wchar_t*
	    __timepunct_cache<wchar_t>::_S_timezones[14];
	#endif
	
	  // Generic.
	  template<typename _CharT>
	    const _CharT* __timepunct_cache<_CharT>::_S_timezones[14];
	
	  template<typename _CharT>
	    class __timepunct : public locale::facet
	    {
	    public:
	      // Types:
	      typedef _CharT			__char_type;
	      typedef basic_string<_CharT>	__string_type;
	      typedef __timepunct_cache<_CharT>	__cache_type;
	
	    protected:
	      __cache_type*			_M_data;
	      __c_locale			_M_c_locale_timepunct;
	      const char*			_M_name_timepunct;
	
	    public:
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      explicit
	      __timepunct(size_t __refs = 0);
	
	      explicit
	      __timepunct(__cache_type* __cache, size_t __refs = 0);
	
	      /**
	       *  @brief  Internal constructor. Not for general use.
	       *
	       *  This is a constructor for use by the library itself to set up new
	       *  locales.
	       *
	       *  @param __cloc  The C locale.
	       *  @param __s  The name of a locale.
	       *  @param refs  Passed to the base facet class.
	      */
	      explicit
	      __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);
	
	      // FIXME: for error checking purposes _M_put should return the return
	      // value of strftime/wcsftime.
	      void
	      _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format,
		     const tm* __tm) const throw ();
	
	      void
	      _M_date_formats(const _CharT** __date) const
	      {
		// Always have default first.
		__date[0] = _M_data->_M_date_format;
		__date[1] = _M_data->_M_date_era_format;
	      }
	
	      void
	      _M_time_formats(const _CharT** __time) const
	      {
		// Always have default first.
		__time[0] = _M_data->_M_time_format;
		__time[1] = _M_data->_M_time_era_format;
	      }
	
	      void
	      _M_date_time_formats(const _CharT** __dt) const
	      {
		// Always have default first.
		__dt[0] = _M_data->_M_date_time_format;
		__dt[1] = _M_data->_M_date_time_era_format;
	      }
	
	      void
	      _M_am_pm_format(const _CharT* __ampm) const
	      { __ampm = _M_data->_M_am_pm_format; }
	
	      void
	      _M_am_pm(const _CharT** __ampm) const
	      {
		__ampm[0] = _M_data->_M_am;
		__ampm[1] = _M_data->_M_pm;
	      }
	
	      void
	      _M_days(const _CharT** __days) const
	      {
		__days[0] = _M_data->_M_day1;
		__days[1] = _M_data->_M_day2;
		__days[2] = _M_data->_M_day3;
		__days[3] = _M_data->_M_day4;
		__days[4] = _M_data->_M_day5;
		__days[5] = _M_data->_M_day6;
		__days[6] = _M_data->_M_day7;
	      }
	
	      void
	      _M_days_abbreviated(const _CharT** __days) const
	      {
		__days[0] = _M_data->_M_aday1;
		__days[1] = _M_data->_M_aday2;
		__days[2] = _M_data->_M_aday3;
		__days[3] = _M_data->_M_aday4;
		__days[4] = _M_data->_M_aday5;
		__days[5] = _M_data->_M_aday6;
		__days[6] = _M_data->_M_aday7;
	      }
	
	      void
	      _M_months(const _CharT** __months) const
	      {
		__months[0] = _M_data->_M_month01;
		__months[1] = _M_data->_M_month02;
		__months[2] = _M_data->_M_month03;
		__months[3] = _M_data->_M_month04;
		__months[4] = _M_data->_M_month05;
		__months[5] = _M_data->_M_month06;
		__months[6] = _M_data->_M_month07;
		__months[7] = _M_data->_M_month08;
		__months[8] = _M_data->_M_month09;
		__months[9] = _M_data->_M_month10;
		__months[10] = _M_data->_M_month11;
		__months[11] = _M_data->_M_month12;
	      }
	
	      void
	      _M_months_abbreviated(const _CharT** __months) const
	      {
		__months[0] = _M_data->_M_amonth01;
		__months[1] = _M_data->_M_amonth02;
		__months[2] = _M_data->_M_amonth03;
		__months[3] = _M_data->_M_amonth04;
		__months[4] = _M_data->_M_amonth05;
		__months[5] = _M_data->_M_amonth06;
		__months[6] = _M_data->_M_amonth07;
		__months[7] = _M_data->_M_amonth08;
		__months[8] = _M_data->_M_amonth09;
		__months[9] = _M_data->_M_amonth10;
		__months[10] = _M_data->_M_amonth11;
		__months[11] = _M_data->_M_amonth12;
	      }
	
	    protected:
	      virtual
	      ~__timepunct();
	
	      // For use at construction time only.
	      void
	      _M_initialize_timepunct(__c_locale __cloc = 0);
	    };
	
	  template<typename _CharT>
	    locale::id __timepunct<_CharT>::id;
	
	  // Specializations.
	  template<>
	    void
	    __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
	
	  template<>
	    void
	    __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const throw ();
	
	#ifdef _GLIBCXX_USE_WCHAR_T
	  template<>
	    void
	    __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
	
	  template<>
	    void
	    __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*,
					 const tm*) const throw ();
	#endif
	
	_GLIBCXX_END_NAMESPACE_VERSION
	} // namespace
	
	  // Include host and configuration specific timepunct functions.
	  #include <bits/time_members.h>
	
	namespace std _GLIBCXX_VISIBILITY(default)
	{
	_GLIBCXX_BEGIN_NAMESPACE_VERSION
	
	  /**
	   *  @brief  Primary class template time_get.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the code to parse and return a date or
	   *  time from a string.  It is used by the istream numeric
	   *  extraction operators.
	   *
	   *  The time_get template uses protected virtual functions to provide the
	   *  actual results.  The public accessors forward the call to the virtual
	   *  functions.  These virtual functions are hooks for developers to
	   *  implement the behavior they require from the time_get facet.
	  */
	  template<typename _CharT, typename _InIter>
	    class time_get : public locale::facet, public time_base
	    {
	    public:
	      // Types:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef _InIter			iter_type;
	      //@}
	      typedef basic_string<_CharT>	__string_type;
	
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      time_get(size_t __refs = 0)
	      : facet (__refs) { }
	
	      /**
	       *  @brief  Return preferred order of month, day, and year.
	       *
	       *  This function returns an enum from timebase::dateorder giving the
	       *  preferred ordering if the format @a x given to time_put::put() only
	       *  uses month, day, and year.  If the format @a x for the associated
	       *  locale uses other fields, this function returns
	       *  timebase::dateorder::noorder.
	       *
	       *  NOTE: The library always returns noorder at the moment.
	       *
	       *  @return  A member of timebase::dateorder.
	      */
	      dateorder
	      date_order()  const
	      { return this->do_date_order(); }
	
	      /**
	       *  @brief  Parse input time string.
	       *
	       *  This function parses a time according to the format @a X and puts the
	       *  results into a user-supplied struct tm.  The result is returned by
	       *  calling time_get::do_get_time().
	       *
	       *  If there is a valid time string according to format @a X, @a tm will
	       *  be filled in accordingly and the returned iterator will point to the
	       *  first character beyond the time string.  If an error occurs before
	       *  the end, err |= ios_base::failbit.  If parsing reads all the
	       *  characters, err |= ios_base::eofbit.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond time string.
	      */
	      iter_type
	      get_time(iter_type __beg, iter_type __end, ios_base& __io,
		       ios_base::iostate& __err, tm* __tm)  const
	      { return this->do_get_time(__beg, __end, __io, __err, __tm); }
	
	      /**
	       *  @brief  Parse input date string.
	       *
	       *  This function parses a date according to the format @a x and puts the
	       *  results into a user-supplied struct tm.  The result is returned by
	       *  calling time_get::do_get_date().
	       *
	       *  If there is a valid date string according to format @a x, @a tm will
	       *  be filled in accordingly and the returned iterator will point to the
	       *  first character beyond the date string.  If an error occurs before
	       *  the end, err |= ios_base::failbit.  If parsing reads all the
	       *  characters, err |= ios_base::eofbit.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond date string.
	      */
	      iter_type
	      get_date(iter_type __beg, iter_type __end, ios_base& __io,
		       ios_base::iostate& __err, tm* __tm)  const
	      { return this->do_get_date(__beg, __end, __io, __err, __tm); }
	
	      /**
	       *  @brief  Parse input weekday string.
	       *
	       *  This function parses a weekday name and puts the results into a
	       *  user-supplied struct tm.  The result is returned by calling
	       *  time_get::do_get_weekday().
	       *
	       *  Parsing starts by parsing an abbreviated weekday name.  If a valid
	       *  abbreviation is followed by a character that would lead to the full
	       *  weekday name, parsing continues until the full name is found or an
	       *  error occurs.  Otherwise parsing finishes at the end of the
	       *  abbreviated name.
	       *
	       *  If an error occurs before the end, err |= ios_base::failbit.  If
	       *  parsing reads all the characters, err |= ios_base::eofbit.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond weekday name.
	      */
	      iter_type
	      get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
			  ios_base::iostate& __err, tm* __tm) const
	      { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
	
	      /**
	       *  @brief  Parse input month string.
	       *
	       *  This function parses a month name and puts the results into a
	       *  user-supplied struct tm.  The result is returned by calling
	       *  time_get::do_get_monthname().
	       *
	       *  Parsing starts by parsing an abbreviated month name.  If a valid
	       *  abbreviation is followed by a character that would lead to the full
	       *  month name, parsing continues until the full name is found or an
	       *  error occurs.  Otherwise parsing finishes at the end of the
	       *  abbreviated name.
	       *
	       *  If an error occurs before the end, err |= ios_base::failbit.  If
	       *  parsing reads all the characters, err |=
	       *  ios_base::eofbit.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond month name.
	      */
	      iter_type
	      get_monthname(iter_type __beg, iter_type __end, ios_base& __io,
			    ios_base::iostate& __err, tm* __tm) const
	      { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
	
	      /**
	       *  @brief  Parse input year string.
	       *
	       *  This function reads up to 4 characters to parse a year string and
	       *  puts the results into a user-supplied struct tm.  The result is
	       *  returned by calling time_get::do_get_year().
	       *
	       *  4 consecutive digits are interpreted as a full year.  If there are
	       *  exactly 2 consecutive digits, the library interprets this as the
	       *  number of years since 1900.
	       *
	       *  If an error occurs before the end, err |= ios_base::failbit.  If
	       *  parsing reads all the characters, err |= ios_base::eofbit.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond year.
	      */
	      iter_type
	      get_year(iter_type __beg, iter_type __end, ios_base& __io,
		       ios_base::iostate& __err, tm* __tm) const
	      { return this->do_get_year(__beg, __end, __io, __err, __tm); }
	
	    protected:
	      /// Destructor.
	      virtual
	      ~time_get() { }
	
	      /**
	       *  @brief  Return preferred order of month, day, and year.
	       *
	       *  This function returns an enum from timebase::dateorder giving the
	       *  preferred ordering if the format @a x given to time_put::put() only
	       *  uses month, day, and year.  This function is a hook for derived
	       *  classes to change the value returned.
	       *
	       *  @return  A member of timebase::dateorder.
	      */
	      virtual dateorder
	      do_date_order() const;
	
	      /**
	       *  @brief  Parse input time string.
	       *
	       *  This function parses a time according to the format @a x and puts the
	       *  results into a user-supplied struct tm.  This function is a hook for
	       *  derived classes to change the value returned.  @see get_time() for
	       *  details.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond time string.
	      */
	      virtual iter_type
	      do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
			  ios_base::iostate& __err, tm* __tm) const;
	
	      /**
	       *  @brief  Parse input date string.
	       *
	       *  This function parses a date according to the format @a X and puts the
	       *  results into a user-supplied struct tm.  This function is a hook for
	       *  derived classes to change the value returned.  @see get_date() for
	       *  details.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond date string.
	      */
	      virtual iter_type
	      do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
			  ios_base::iostate& __err, tm* __tm) const;
	
	      /**
	       *  @brief  Parse input weekday string.
	       *
	       *  This function parses a weekday name and puts the results into a
	       *  user-supplied struct tm.  This function is a hook for derived
	       *  classes to change the value returned.  @see get_weekday() for
	       *  details.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond weekday name.
	      */
	      virtual iter_type
	      do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
			     ios_base::iostate& __err, tm* __tm) const;
	
	      /**
	       *  @brief  Parse input month string.
	       *
	       *  This function parses a month name and puts the results into a
	       *  user-supplied struct tm.  This function is a hook for derived
	       *  classes to change the value returned.  @see get_monthname() for
	       *  details.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond month name.
	      */
	      virtual iter_type
	      do_get_monthname(iter_type __beg, iter_type __end, ios_base&,
			       ios_base::iostate& __err, tm* __tm) const;
	
	      /**
	       *  @brief  Parse input year string.
	       *
	       *  This function reads up to 4 characters to parse a year string and
	       *  puts the results into a user-supplied struct tm.  This function is a
	       *  hook for derived classes to change the value returned.  @see
	       *  get_year() for details.
	       *
	       *  @param  __beg  Start of string to parse.
	       *  @param  __end  End of string to parse.
	       *  @param  __io  Source of the locale.
	       *  @param  __err  Error flags to set.
	       *  @param  __tm  Pointer to struct tm to fill in.
	       *  @return  Iterator to first char beyond year.
	      */
	      virtual iter_type
	      do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
			  ios_base::iostate& __err, tm* __tm) const;
	
	      // Extract numeric component of length __len.
	      iter_type
	      _M_extract_num(iter_type __beg, iter_type __end, int& __member,
			     int __min, int __max, size_t __len,
			     ios_base& __io, ios_base::iostate& __err) const;
	
	      // Extract any unique array of string literals in a const _CharT* array.
	      iter_type
	      _M_extract_name(iter_type __beg, iter_type __end, int& __member,
			      const _CharT** __names, size_t __indexlen,
			      ios_base& __io, ios_base::iostate& __err) const;
	
	      // Extract day or month name in a const _CharT* array.
	      iter_type
	      _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member,
				       const _CharT** __names, size_t __indexlen,
				       ios_base& __io, ios_base::iostate& __err) const;
	
	      // Extract on a component-by-component basis, via __format argument.
	      iter_type
	      _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
				    ios_base::iostate& __err, tm* __tm,
				    const _CharT* __format) const;
	    };
	
	  template<typename _CharT, typename _InIter>
	    locale::id time_get<_CharT, _InIter>::id;
	
	  /// class time_get_byname [22.2.5.2].
	  template<typename _CharT, typename _InIter>
	    class time_get_byname : public time_get<_CharT, _InIter>
	    {
	    public:
	      // Types:
	      typedef _CharT			char_type;
	      typedef _InIter			iter_type;
	
	      explicit
	      time_get_byname(const char*, size_t __refs = 0)
	      : time_get<_CharT, _InIter>(__refs) { }
	
	    protected:
	      virtual
	      ~time_get_byname() { }
	    };
	
	  /**
	   *  @brief  Primary class template time_put.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the code to format and output dates and times
	   *  according to formats used by strftime().
	   *
	   *  The time_put template uses protected virtual functions to provide the
	   *  actual results.  The public accessors forward the call to the virtual
	   *  functions.  These virtual functions are hooks for developers to
	   *  implement the behavior they require from the time_put facet.
	  */
	  template<typename _CharT, typename _OutIter>
	    class time_put : public locale::facet
	    {
	    public:
	      // Types:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef _OutIter			iter_type;
	      //@}
	
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      time_put(size_t __refs = 0)
	      : facet(__refs) { }
	
	      /**
	       *  @brief  Format and output a time or date.
	       *
	       *  This function formats the data in struct tm according to the
	       *  provided format string.  The format string is interpreted as by
	       *  strftime().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __io  Source of locale.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __tm  Struct tm with date and time info to format.
	       *  @param  __beg  Start of format string.
	       *  @param  __end  End of format string.
	       *  @return  Iterator after writing.
	       */
	      iter_type
	      put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
		  const _CharT* __beg, const _CharT* __end) const;
	
	      /**
	       *  @brief  Format and output a time or date.
	       *
	       *  This function formats the data in struct tm according to the
	       *  provided format char and optional modifier.  The format and modifier
	       *  are interpreted as by strftime().  It does so by returning
	       *  time_put::do_put().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __io  Source of locale.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __tm  Struct tm with date and time info to format.
	       *  @param  __format  Format char.
	       *  @param  __mod  Optional modifier char.
	       *  @return  Iterator after writing.
	       */
	      iter_type
	      put(iter_type __s, ios_base& __io, char_type __fill,
		  const tm* __tm, char __format, char __mod = 0) const
	      { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
	
	    protected:
	      /// Destructor.
	      virtual
	      ~time_put()
	      { }
	
	      /**
	       *  @brief  Format and output a time or date.
	       *
	       *  This function formats the data in struct tm according to the
	       *  provided format char and optional modifier.  This function is a hook
	       *  for derived classes to change the value returned.  @see put() for
	       *  more details.
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __io  Source of locale.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __tm  Struct tm with date and time info to format.
	       *  @param  __format  Format char.
	       *  @param  __mod  Optional modifier char.
	       *  @return  Iterator after writing.
	       */
	      virtual iter_type
	      do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
		     char __format, char __mod) const;
	    };
	
	  template<typename _CharT, typename _OutIter>
	    locale::id time_put<_CharT, _OutIter>::id;
	
	  /// class time_put_byname [22.2.5.4].
	  template<typename _CharT, typename _OutIter>
	    class time_put_byname : public time_put<_CharT, _OutIter>
	    {
	    public:
	      // Types:
	      typedef _CharT			char_type;
	      typedef _OutIter			iter_type;
	
	      explicit
	      time_put_byname(const char*, size_t __refs = 0)
	      : time_put<_CharT, _OutIter>(__refs)
	      { };
	
	    protected:
	      virtual
	      ~time_put_byname() { }
	    };
	
	
	  /**
	   *  @brief  Money format ordering data.
	   *  @ingroup locales
	   *
	   *  This class contains an ordered array of 4 fields to represent the
	   *  pattern for formatting a money amount.  Each field may contain one entry
	   *  from the part enum.  symbol, sign, and value must be present and the
	   *  remaining field must contain either none or space.  @see
	   *  moneypunct::pos_format() and moneypunct::neg_format() for details of how
	   *  these fields are interpreted.
	  */
	  class money_base
	  {
	  public:
	    enum part { none, space, symbol, sign, value };
	    struct pattern { char field[4]; };
	
	    static const pattern _S_default_pattern;
	
	    enum
	    {
	      _S_minus,
	      _S_zero,
	      _S_end = 11
	    };
	
	    // String literal of acceptable (narrow) input/output, for
	    // money_get/money_put. "-0123456789"
	    static const char* _S_atoms;
	
	    // Construct and return valid pattern consisting of some combination of:
	    // space none symbol sign value
	    _GLIBCXX_CONST static pattern
	    _S_construct_pattern(char __precedes, char __space, char __posn) throw ();
	  };
	
	  template<typename _CharT, bool _Intl>
	    struct __moneypunct_cache : public locale::facet
	    {
	      const char*			_M_grouping;
	      size_t                            _M_grouping_size;
	      bool				_M_use_grouping;
	      _CharT				_M_decimal_point;
	      _CharT				_M_thousands_sep;
	      const _CharT*			_M_curr_symbol;
	      size_t                            _M_curr_symbol_size;
	      const _CharT*			_M_positive_sign;
	      size_t                            _M_positive_sign_size;
	      const _CharT*			_M_negative_sign;
	      size_t                            _M_negative_sign_size;
	      int				_M_frac_digits;
	      money_base::pattern		_M_pos_format;
	      money_base::pattern	        _M_neg_format;
	
	      // A list of valid numeric literals for input and output: in the standard
	      // "C" locale, this is "-0123456789". This array contains the chars after
	      // having been passed through the current locale's ctype<_CharT>.widen().
	      _CharT				_M_atoms[money_base::_S_end];
	
	      bool				_M_allocated;
	
	      __moneypunct_cache(size_t __refs = 0) : facet(__refs),
	      _M_grouping(0), _M_grouping_size(0), _M_use_grouping(false),
	      _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()),
	      _M_curr_symbol(0), _M_curr_symbol_size(0),
	      _M_positive_sign(0), _M_positive_sign_size(0),
	      _M_negative_sign(0), _M_negative_sign_size(0),
	      _M_frac_digits(0),
	      _M_pos_format(money_base::pattern()),
	      _M_neg_format(money_base::pattern()), _M_allocated(false)
	      { }
	
	      ~__moneypunct_cache();
	
	      void
	      _M_cache(const locale& __loc);
	
	    private:
	      __moneypunct_cache&
	      operator=(const __moneypunct_cache&);
	      
	      explicit
	      __moneypunct_cache(const __moneypunct_cache&);
	    };
	
	  template<typename _CharT, bool _Intl>
	    __moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache()
	    {
	      if (_M_allocated)
		{
		  delete [] _M_grouping;
		  delete [] _M_curr_symbol;
		  delete [] _M_positive_sign;
		  delete [] _M_negative_sign;
		}
	    }
	
	  /**
	   *  @brief  Primary class template moneypunct.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the punctuation, grouping and other formatting
	   *  features of money amount string representations.
	  */
	  template<typename _CharT, bool _Intl>
	    class moneypunct : public locale::facet, public money_base
	    {
	    public:
	      // Types:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef basic_string<_CharT>	string_type;
	      //@}
	      typedef __moneypunct_cache<_CharT, _Intl>     __cache_type;
	
	    private:
	      __cache_type*			_M_data;
	
	    public:
	      /// This value is provided by the standard, but no reason for its
	      /// existence.
	      static const bool			intl = _Intl;
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      moneypunct(size_t __refs = 0)
	      : facet(__refs), _M_data(0)
	      { _M_initialize_moneypunct(); }
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is an internal constructor.
	       *
	       *  @param __cache  Cache for optimization.
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      moneypunct(__cache_type* __cache, size_t __refs = 0)
	      : facet(__refs), _M_data(__cache)
	      { _M_initialize_moneypunct(); }
	
	      /**
	       *  @brief  Internal constructor. Not for general use.
	       *
	       *  This is a constructor for use by the library itself to set up new
	       *  locales.
	       *
	       *  @param __cloc  The C locale.
	       *  @param __s  The name of a locale.
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
	      : facet(__refs), _M_data(0)
	      { _M_initialize_moneypunct(__cloc, __s); }
	
	      /**
	       *  @brief  Return decimal point character.
	       *
	       *  This function returns a char_type to use as a decimal point.  It
	       *  does so by returning returning
	       *  moneypunct<char_type>::do_decimal_point().
	       *
	       *  @return  @a char_type representing a decimal point.
	      */
	      char_type
	      decimal_point() const
	      { return this->do_decimal_point(); }
	
	      /**
	       *  @brief  Return thousands separator character.
	       *
	       *  This function returns a char_type to use as a thousands
	       *  separator.  It does so by returning returning
	       *  moneypunct<char_type>::do_thousands_sep().
	       *
	       *  @return  char_type representing a thousands separator.
	      */
	      char_type
	      thousands_sep() const
	      { return this->do_thousands_sep(); }
	
	      /**
	       *  @brief  Return grouping specification.
	       *
	       *  This function returns a string representing groupings for the
	       *  integer part of an amount.  Groupings indicate where thousands
	       *  separators should be inserted.
	       *
	       *  Each char in the return string is interpret as an integer rather
	       *  than a character.  These numbers represent the number of digits in a
	       *  group.  The first char in the string represents the number of digits
	       *  in the least significant group.  If a char is negative, it indicates
	       *  an unlimited number of digits for the group.  If more chars from the
	       *  string are required to group a number, the last char is used
	       *  repeatedly.
	       *
	       *  For example, if the grouping() returns <code>\003\002</code>
	       *  and is applied to the number 123456789, this corresponds to
	       *  12,34,56,789.  Note that if the string was <code>32</code>, this would
	       *  put more than 50 digits into the least significant group if
	       *  the character set is ASCII.
	       *
	       *  The string is returned by calling
	       *  moneypunct<char_type>::do_grouping().
	       *
	       *  @return  string representing grouping specification.
	      */
	      string
	      grouping() const
	      { return this->do_grouping(); }
	
	      /**
	       *  @brief  Return currency symbol string.
	       *
	       *  This function returns a string_type to use as a currency symbol.  It
	       *  does so by returning returning
	       *  moneypunct<char_type>::do_curr_symbol().
	       *
	       *  @return  @a string_type representing a currency symbol.
	      */
	      string_type
	      curr_symbol() const
	      { return this->do_curr_symbol(); }
	
	      /**
	       *  @brief  Return positive sign string.
	       *
	       *  This function returns a string_type to use as a sign for positive
	       *  amounts.  It does so by returning returning
	       *  moneypunct<char_type>::do_positive_sign().
	       *
	       *  If the return value contains more than one character, the first
	       *  character appears in the position indicated by pos_format() and the
	       *  remainder appear at the end of the formatted string.
	       *
	       *  @return  @a string_type representing a positive sign.
	      */
	      string_type
	      positive_sign() const
	      { return this->do_positive_sign(); }
	
	      /**
	       *  @brief  Return negative sign string.
	       *
	       *  This function returns a string_type to use as a sign for negative
	       *  amounts.  It does so by returning returning
	       *  moneypunct<char_type>::do_negative_sign().
	       *
	       *  If the return value contains more than one character, the first
	       *  character appears in the position indicated by neg_format() and the
	       *  remainder appear at the end of the formatted string.
	       *
	       *  @return  @a string_type representing a negative sign.
	      */
	      string_type
	      negative_sign() const
	      { return this->do_negative_sign(); }
	
	      /**
	       *  @brief  Return number of digits in fraction.
	       *
	       *  This function returns the exact number of digits that make up the
	       *  fractional part of a money amount.  It does so by returning
	       *  returning moneypunct<char_type>::do_frac_digits().
	       *
	       *  The fractional part of a money amount is optional.  But if it is
	       *  present, there must be frac_digits() digits.
	       *
	       *  @return  Number of digits in amount fraction.
	      */
	      int
	      frac_digits() const
	      { return this->do_frac_digits(); }
	
	      //@{
	      /**
	       *  @brief  Return pattern for money values.
	       *
	       *  This function returns a pattern describing the formatting of a
	       *  positive or negative valued money amount.  It does so by returning
	       *  returning moneypunct<char_type>::do_pos_format() or
	       *  moneypunct<char_type>::do_neg_format().
	       *
	       *  The pattern has 4 fields describing the ordering of symbol, sign,
	       *  value, and none or space.  There must be one of each in the pattern.
	       *  The none and space enums may not appear in the first field and space
	       *  may not appear in the final field.
	       *
	       *  The parts of a money string must appear in the order indicated by
	       *  the fields of the pattern.  The symbol field indicates that the
	       *  value of curr_symbol() may be present.  The sign field indicates
	       *  that the value of positive_sign() or negative_sign() must be
	       *  present.  The value field indicates that the absolute value of the
	       *  money amount is present.  none indicates 0 or more whitespace
	       *  characters, except at the end, where it permits no whitespace.
	       *  space indicates that 1 or more whitespace characters must be
	       *  present.
	       *
	       *  For example, for the US locale and pos_format() pattern
	       *  {symbol,sign,value,none}, curr_symbol() == &apos;$&apos;
	       *  positive_sign() == &apos;+&apos;, and value 10.01, and
	       *  options set to force the symbol, the corresponding string is
	       *  <code>$+10.01</code>.
	       *
	       *  @return  Pattern for money values.
	      */
	      pattern
	      pos_format() const
	      { return this->do_pos_format(); }
	
	      pattern
	      neg_format() const
	      { return this->do_neg_format(); }
	      //@}
	
	    protected:
	      /// Destructor.
	      virtual
	      ~moneypunct();
	
	      /**
	       *  @brief  Return decimal point character.
	       *
	       *  Returns a char_type to use as a decimal point.  This function is a
	       *  hook for derived classes to change the value returned.
	       *
	       *  @return  @a char_type representing a decimal point.
	      */
	      virtual char_type
	      do_decimal_point() const
	      { return _M_data->_M_decimal_point; }
	
	      /**
	       *  @brief  Return thousands separator character.
	       *
	       *  Returns a char_type to use as a thousands separator.  This function
	       *  is a hook for derived classes to change the value returned.
	       *
	       *  @return  @a char_type representing a thousands separator.
	      */
	      virtual char_type
	      do_thousands_sep() const
	      { return _M_data->_M_thousands_sep; }
	
	      /**
	       *  @brief  Return grouping specification.
	       *
	       *  Returns a string representing groupings for the integer part of a
	       *  number.  This function is a hook for derived classes to change the
	       *  value returned.  @see grouping() for details.
	       *
	       *  @return  String representing grouping specification.
	      */
	      virtual string
	      do_grouping() const
	      { return _M_data->_M_grouping; }
	
	      /**
	       *  @brief  Return currency symbol string.
	       *
	       *  This function returns a string_type to use as a currency symbol.
	       *  This function is a hook for derived classes to change the value
	       *  returned.  @see curr_symbol() for details.
	       *
	       *  @return  @a string_type representing a currency symbol.
	      */
	      virtual string_type
	      do_curr_symbol()   const
	      { return _M_data->_M_curr_symbol; }
	
	      /**
	       *  @brief  Return positive sign string.
	       *
	       *  This function returns a string_type to use as a sign for positive
	       *  amounts.  This function is a hook for derived classes to change the
	       *  value returned.  @see positive_sign() for details.
	       *
	       *  @return  @a string_type representing a positive sign.
	      */
	      virtual string_type
	      do_positive_sign() const
	      { return _M_data->_M_positive_sign; }
	
	      /**
	       *  @brief  Return negative sign string.
	       *
	       *  This function returns a string_type to use as a sign for negative
	       *  amounts.  This function is a hook for derived classes to change the
	       *  value returned.  @see negative_sign() for details.
	       *
	       *  @return  @a string_type representing a negative sign.
	      */
	      virtual string_type
	      do_negative_sign() const
	      { return _M_data->_M_negative_sign; }
	
	      /**
	       *  @brief  Return number of digits in fraction.
	       *
	       *  This function returns the exact number of digits that make up the
	       *  fractional part of a money amount.  This function is a hook for
	       *  derived classes to change the value returned.  @see frac_digits()
	       *  for details.
	       *
	       *  @return  Number of digits in amount fraction.
	      */
	      virtual int
	      do_frac_digits() const
	      { return _M_data->_M_frac_digits; }
	
	      /**
	       *  @brief  Return pattern for money values.
	       *
	       *  This function returns a pattern describing the formatting of a
	       *  positive valued money amount.  This function is a hook for derived
	       *  classes to change the value returned.  @see pos_format() for
	       *  details.
	       *
	       *  @return  Pattern for money values.
	      */
	      virtual pattern
	      do_pos_format() const
	      { return _M_data->_M_pos_format; }
	
	      /**
	       *  @brief  Return pattern for money values.
	       *
	       *  This function returns a pattern describing the formatting of a
	       *  negative valued money amount.  This function is a hook for derived
	       *  classes to change the value returned.  @see neg_format() for
	       *  details.
	       *
	       *  @return  Pattern for money values.
	      */
	      virtual pattern
	      do_neg_format() const
	      { return _M_data->_M_neg_format; }
	
	      // For use at construction time only.
	       void
	       _M_initialize_moneypunct(__c_locale __cloc = 0,
					const char* __name = 0);
	    };
	
	  template<typename _CharT, bool _Intl>
	    locale::id moneypunct<_CharT, _Intl>::id;
	
	  template<typename _CharT, bool _Intl>
	    const bool moneypunct<_CharT, _Intl>::intl;
	
	  template<>
	    moneypunct<char, true>::~moneypunct();
	
	  template<>
	    moneypunct<char, false>::~moneypunct();
	
	  template<>
	    void
	    moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
	
	  template<>
	    void
	    moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
	
	#ifdef _GLIBCXX_USE_WCHAR_T
	  template<>
	    moneypunct<wchar_t, true>::~moneypunct();
	
	  template<>
	    moneypunct<wchar_t, false>::~moneypunct();
	
	  template<>
	    void
	    moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale,
								const char*);
	
	  template<>
	    void
	    moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale,
								 const char*);
	#endif
	
	  /// class moneypunct_byname [22.2.6.4].
	  template<typename _CharT, bool _Intl>
	    class moneypunct_byname : public moneypunct<_CharT, _Intl>
	    {
	    public:
	      typedef _CharT			char_type;
	      typedef basic_string<_CharT>	string_type;
	
	      static const bool intl = _Intl;
	
	      explicit
	      moneypunct_byname(const char* __s, size_t __refs = 0)
	      : moneypunct<_CharT, _Intl>(__refs)
	      {
		if (__builtin_strcmp(__s, "C") != 0
		    && __builtin_strcmp(__s, "POSIX") != 0)
		  {
		    __c_locale __tmp;
		    this->_S_create_c_locale(__tmp, __s);
		    this->_M_initialize_moneypunct(__tmp);
		    this->_S_destroy_c_locale(__tmp);
		  }
	      }
	
	    protected:
	      virtual
	      ~moneypunct_byname() { }
	    };
	
	  template<typename _CharT, bool _Intl>
	    const bool moneypunct_byname<_CharT, _Intl>::intl;
	
	_GLIBCXX_BEGIN_NAMESPACE_LDBL
	
	  /**
	   *  @brief  Primary class template money_get.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the code to parse and return a monetary
	   *  amount from a string.
	   *
	   *  The money_get template uses protected virtual functions to
	   *  provide the actual results.  The public accessors forward the
	   *  call to the virtual functions.  These virtual functions are
	   *  hooks for developers to implement the behavior they require from
	   *  the money_get facet.
	  */
	  template<typename _CharT, typename _InIter>
	    class money_get : public locale::facet
	    {
	    public:
	      // Types:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef _InIter			iter_type;
	      typedef basic_string<_CharT>	string_type;
	      //@}
	
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      money_get(size_t __refs = 0) : facet(__refs) { }
	
	      /**
	       *  @brief  Read and parse a monetary value.
	       *
	       *  This function reads characters from @a __s, interprets them as a
	       *  monetary value according to moneypunct and ctype facets retrieved
	       *  from io.getloc(), and returns the result in @a units as an integral
	       *  value moneypunct::frac_digits() * the actual amount.  For example,
	       *  the string $10.01 in a US locale would store 1001 in @a units.
	       *
	       *  Any characters not part of a valid money amount are not consumed.
	       *
	       *  If a money value cannot be parsed from the input stream, sets
	       *  err=(err|io.failbit).  If the stream is consumed before finishing
	       *  parsing,  sets err=(err|io.failbit|io.eofbit).  @a units is
	       *  unchanged if parsing fails.
	       *
	       *  This function works by returning the result of do_get().
	       *
	       *  @param  __s  Start of characters to parse.
	       *  @param  __end  End of characters to parse.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __err  Error field to set if parsing fails.
	       *  @param  __units  Place to store result of parsing.
	       *  @return  Iterator referencing first character beyond valid money
	       *	   amount.
	       */
	      iter_type
	      get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		  ios_base::iostate& __err, long double& __units) const
	      { return this->do_get(__s, __end, __intl, __io, __err, __units); }
	
	      /**
	       *  @brief  Read and parse a monetary value.
	       *
	       *  This function reads characters from @a __s, interprets them as
	       *  a monetary value according to moneypunct and ctype facets
	       *  retrieved from io.getloc(), and returns the result in @a
	       *  digits.  For example, the string $10.01 in a US locale would
	       *  store <code>1001</code> in @a digits.
	       *
	       *  Any characters not part of a valid money amount are not consumed.
	       *
	       *  If a money value cannot be parsed from the input stream, sets
	       *  err=(err|io.failbit).  If the stream is consumed before finishing
	       *  parsing,  sets err=(err|io.failbit|io.eofbit).
	       *
	       *  This function works by returning the result of do_get().
	       *
	       *  @param  __s  Start of characters to parse.
	       *  @param  __end  End of characters to parse.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __err  Error field to set if parsing fails.
	       *  @param  __digits  Place to store result of parsing.
	       *  @return  Iterator referencing first character beyond valid money
	       *	   amount.
	       */
	      iter_type
	      get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		  ios_base::iostate& __err, string_type& __digits) const
	      { return this->do_get(__s, __end, __intl, __io, __err, __digits); }
	
	    protected:
	      /// Destructor.
	      virtual
	      ~money_get() { }
	
	      /**
	       *  @brief  Read and parse a monetary value.
	       *
	       *  This function reads and parses characters representing a monetary
	       *  value.  This function is a hook for derived classes to change the
	       *  value returned.  @see get() for details.
	       */
	      // XXX GLIBCXX_ABI Deprecated
	#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
	      virtual iter_type
	      __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		       ios_base::iostate& __err, double& __units) const;
	#else
	      virtual iter_type
	      do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		     ios_base::iostate& __err, long double& __units) const;
	#endif
	
	      /**
	       *  @brief  Read and parse a monetary value.
	       *
	       *  This function reads and parses characters representing a monetary
	       *  value.  This function is a hook for derived classes to change the
	       *  value returned.  @see get() for details.
	       */
	      virtual iter_type
	      do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		     ios_base::iostate& __err, string_type& __digits) const;
	
	      // XXX GLIBCXX_ABI Deprecated
	#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
	      virtual iter_type
	      do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
		     ios_base::iostate& __err, long double& __units) const;
	#endif
	
	      template<bool _Intl>
	        iter_type
	        _M_extract(iter_type __s, iter_type __end, ios_base& __io,
			   ios_base::iostate& __err, string& __digits) const;     
	    };
	
	  template<typename _CharT, typename _InIter>
	    locale::id money_get<_CharT, _InIter>::id;
	
	  /**
	   *  @brief  Primary class template money_put.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the code to format and output a monetary
	   *  amount.
	   *
	   *  The money_put template uses protected virtual functions to
	   *  provide the actual results.  The public accessors forward the
	   *  call to the virtual functions.  These virtual functions are
	   *  hooks for developers to implement the behavior they require from
	   *  the money_put facet.
	  */
	  template<typename _CharT, typename _OutIter>
	    class money_put : public locale::facet
	    {
	    public:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef _OutIter			iter_type;
	      typedef basic_string<_CharT>	string_type;
	      //@}
	
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      money_put(size_t __refs = 0) : facet(__refs) { }
	
	      /**
	       *  @brief  Format and output a monetary value.
	       *
	       *  This function formats @a units as a monetary value according to
	       *  moneypunct and ctype facets retrieved from io.getloc(), and writes
	       *  the resulting characters to @a __s.  For example, the value 1001 in a
	       *  US locale would write <code>$10.01</code> to @a __s.
	       *
	       *  This function works by returning the result of do_put().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __units  Place to store result of parsing.
	       *  @return  Iterator after writing.
	       */
	      iter_type
	      put(iter_type __s, bool __intl, ios_base& __io,
		  char_type __fill, long double __units) const
	      { return this->do_put(__s, __intl, __io, __fill, __units); }
	
	      /**
	       *  @brief  Format and output a monetary value.
	       *
	       *  This function formats @a digits as a monetary value
	       *  according to moneypunct and ctype facets retrieved from
	       *  io.getloc(), and writes the resulting characters to @a __s.
	       *  For example, the string <code>1001</code> in a US locale
	       *  would write <code>$10.01</code> to @a __s.
	       *
	       *  This function works by returning the result of do_put().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __digits  Place to store result of parsing.
	       *  @return  Iterator after writing.
	       */
	      iter_type
	      put(iter_type __s, bool __intl, ios_base& __io,
		  char_type __fill, const string_type& __digits) const
	      { return this->do_put(__s, __intl, __io, __fill, __digits); }
	
	    protected:
	      /// Destructor.
	      virtual
	      ~money_put() { }
	
	      /**
	       *  @brief  Format and output a monetary value.
	       *
	       *  This function formats @a units as a monetary value according to
	       *  moneypunct and ctype facets retrieved from io.getloc(), and writes
	       *  the resulting characters to @a __s.  For example, the value 1001 in a
	       *  US locale would write <code>$10.01</code> to @a __s.
	       *
	       *  This function is a hook for derived classes to change the value
	       *  returned.  @see put().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __units  Place to store result of parsing.
	       *  @return  Iterator after writing.
	       */
	      // XXX GLIBCXX_ABI Deprecated
	#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
	      virtual iter_type
	      __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
		       double __units) const;
	#else
	      virtual iter_type
	      do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
		     long double __units) const;
	#endif
	
	      /**
	       *  @brief  Format and output a monetary value.
	       *
	       *  This function formats @a digits as a monetary value
	       *  according to moneypunct and ctype facets retrieved from
	       *  io.getloc(), and writes the resulting characters to @a __s.
	       *  For example, the string <code>1001</code> in a US locale
	       *  would write <code>$10.01</code> to @a __s.
	       *
	       *  This function is a hook for derived classes to change the value
	       *  returned.  @see put().
	       *
	       *  @param  __s  The stream to write to.
	       *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
	       *  @param  __io  Source of facets and io state.
	       *  @param  __fill  char_type to use for padding.
	       *  @param  __digits  Place to store result of parsing.
	       *  @return  Iterator after writing.
	       */
	      virtual iter_type
	      do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
		     const string_type& __digits) const;
	
	      // XXX GLIBCXX_ABI Deprecated
	#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
	      virtual iter_type
	      do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
		     long double __units) const;
	#endif
	
	      template<bool _Intl>
	        iter_type
	        _M_insert(iter_type __s, ios_base& __io, char_type __fill,
			  const string_type& __digits) const;
	    };
	
	  template<typename _CharT, typename _OutIter>
	    locale::id money_put<_CharT, _OutIter>::id;
	
	_GLIBCXX_END_NAMESPACE_LDBL
	
	  /**
	   *  @brief  Messages facet base class providing catalog typedef.
	   *  @ingroup locales
	   */
	  struct messages_base
	  {
	    typedef int catalog;
	  };
	
	  /**
	   *  @brief  Primary class template messages.
	   *  @ingroup locales
	   *
	   *  This facet encapsulates the code to retrieve messages from
	   *  message catalogs.  The only thing defined by the standard for this facet
	   *  is the interface.  All underlying functionality is
	   *  implementation-defined.
	   *
	   *  This library currently implements 3 versions of the message facet.  The
	   *  first version (gnu) is a wrapper around gettext, provided by libintl.
	   *  The second version (ieee) is a wrapper around catgets.  The final
	   *  version (default) does no actual translation.  These implementations are
	   *  only provided for char and wchar_t instantiations.
	   *
	   *  The messages template uses protected virtual functions to
	   *  provide the actual results.  The public accessors forward the
	   *  call to the virtual functions.  These virtual functions are
	   *  hooks for developers to implement the behavior they require from
	   *  the messages facet.
	  */
	  template<typename _CharT>
	    class messages : public locale::facet, public messages_base
	    {
	    public:
	      // Types:
	      //@{
	      /// Public typedefs
	      typedef _CharT			char_type;
	      typedef basic_string<_CharT>	string_type;
	      //@}
	
	    protected:
	      // Underlying "C" library locale information saved from
	      // initialization, needed by messages_byname as well.
	      __c_locale			_M_c_locale_messages;
	      const char*			_M_name_messages;
	
	    public:
	      /// Numpunct facet id.
	      static locale::id			id;
	
	      /**
	       *  @brief  Constructor performs initialization.
	       *
	       *  This is the constructor provided by the standard.
	       *
	       *  @param __refs  Passed to the base facet class.
	      */
	      explicit
	      messages(size_t __refs = 0);
	
	      // Non-standard.
	      /**
	       *  @brief  Internal constructor.  Not for general use.
	       *
	       *  This is a constructor for use by the library itself to set up new
	       *  locales.
	       *
	       *  @param  __cloc  The C locale.
	       *  @param  __s  The name of a locale.
	       *  @param  __refs  Refcount to pass to the base class.
	       */
	      explicit
	      messages(__c_locale __cloc, const char* __s, size_t __refs = 0);
	
	      /*
	       *  @brief  Open a message catalog.
	       *
	       *  This function opens and returns a handle to a message catalog by
	       *  returning do_open(__s, __loc).
	       *
	       *  @param  __s  The catalog to open.
	       *  @param  __loc  Locale to use for character set conversions.
	       *  @return  Handle to the catalog or value < 0 if open fails.
	      */
	      catalog
	      open(const basic_string<char>& __s, const locale& __loc) const
	      { return this->do_open(__s, __loc); }
	
	      // Non-standard and unorthodox, yet effective.
	      /*
	       *  @brief  Open a message catalog.
	       *
	       *  This non-standard function opens and returns a handle to a message
	       *  catalog by returning do_open(s, loc).  The third argument provides a
	       *  message catalog root directory for gnu gettext and is ignored
	       *  otherwise.
	       *
	       *  @param  __s  The catalog to open.
	       *  @param  __loc  Locale to use for character set conversions.
	       *  @param  __dir  Message catalog root directory.
	       *  @return  Handle to the catalog or value < 0 if open fails.
	      */
	      catalog
	      open(const basic_string<char>&, const locale&, const char*) const;
	
	      /*
	       *  @brief  Look up a string in a message catalog.
	       *
	       *  This function retrieves and returns a message from a catalog by
	       *  returning do_get(c, set, msgid, s).
	       *
	       *  For gnu, @a __set and @a msgid are ignored.  Returns gettext(s).
	       *  For default, returns s. For ieee, returns catgets(c,set,msgid,s).
	       *
	       *  @param  __c  The catalog to access.
	       *  @param  __set  Implementation-defined.
	       *  @param  __msgid  Implementation-defined.
	       *  @param  __s  Default return value if retrieval fails.
	       *  @return  Retrieved message or @a __s if get fails.
	      */
	      string_type
	      get(catalog __c, int __set, int __msgid, const string_type& __s) const
	      { return this->do_get(__c, __set, __msgid, __s); }
	
	      /*
	       *  @brief  Close a message catalog.
	       *
	       *  Closes catalog @a c by calling do_close(c).
	       *
	       *  @param  __c  The catalog to close.
	      */
	      void
	      close(catalog __c) const
	      { return this->do_close(__c); }
	
	    protected:
	      /// Destructor.
	      virtual
	      ~messages();
	
	      /*
	       *  @brief  Open a message catalog.
	       *
	       *  This function opens and returns a handle to a message catalog in an
	       *  implementation-defined manner.  This function is a hook for derived
	       *  classes to change the value returned.
	       *
	       *  @param  __s  The catalog to open.
	       *  @param  __loc  Locale to use for character set conversions.
	       *  @return  Handle to the opened catalog, value < 0 if open failed.
	      */
	      virtual catalog
	      do_open(const basic_string<char>&, const locale&) const;
	
	      /*
	       *  @brief  Look up a string in a message catalog.
	       *
	       *  This function retrieves and returns a message from a catalog in an
	       *  implementation-defined manner.  This function is a hook for derived
	       *  classes to change the value returned.
	       *
	       *  For gnu, @a __set and @a __msgid are ignored.  Returns gettext(s).
	       *  For default, returns s. For ieee, returns catgets(c,set,msgid,s).
	       *
	       *  @param  __c  The catalog to access.
	       *  @param  __set  Implementation-defined.
	       *  @param  __msgid  Implementation-defined.
	       *  @param  __s  Default return value if retrieval fails.
	       *  @return  Retrieved message or @a __s if get fails.
	      */
	      virtual string_type
	      do_get(catalog, int, int, const string_type& __dfault) const;
	
	      /*
	       *  @brief  Close a message catalog.
	       *
	       *  @param  __c  The catalog to close.
	      */
	      virtual void
	      do_close(catalog) const;
	
	      // Returns a locale and codeset-converted string, given a char* message.
	      char*
	      _M_convert_to_char(const string_type& __msg) const
	      {
		// XXX
		return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
	      }
	
	      // Returns a locale and codeset-converted string, given a char* message.
	      string_type
	      _M_convert_from_char(char*) const
	      {
		// XXX
		return string_type();
	      }
	     };
	
	  template<typename _CharT>
	    locale::id messages<_CharT>::id;
	
	  /// Specializations for required instantiations.
	  template<>
	    string
	    messages<char>::do_get(catalog, int, int, const string&) const;
	
	#ifdef _GLIBCXX_USE_WCHAR_T
	  template<>
	    wstring
	    messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
	#endif
	
	   /// class messages_byname [22.2.7.2].
	   template<typename _CharT>
	    class messages_byname : public messages<_CharT>
	    {
	    public:
	      typedef _CharT			char_type;
	      typedef basic_string<_CharT>	string_type;
	
	      explicit
	      messages_byname(const char* __s, size_t __refs = 0);
	
	    protected:
	      virtual
	      ~messages_byname()
	      { }
	    };
	
	_GLIBCXX_END_NAMESPACE_VERSION
	} // namespace
	
	// Include host and configuration specific messages functions.
	#include <bits/messages_members.h>
	
	// 22.2.1.5  Template class codecvt
	#include <bits/codecvt.h>
	
	#include <bits/locale_facets_nonio.tcc>
	
	#endif