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diff --git a/libstdc++-v3/config/locale/darwin/ctype_members.cc b/libstdc++-v3/config/locale/darwin/ctype_members.cc
new file mode 100644
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+++ b/libstdc++-v3/config/locale/darwin/ctype_members.cc
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+// std::ctype implementation details, GNU version -*- C++ -*-
+
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+// 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/>.
+
+//
+// ISO C++ 14882: 22.2.1.1.2  ctype virtual functions.
+//
+
+// Written by Benjamin Kosnik <bkoz@redhat.com>
+
+#include <locale>
+#include <bits/c++locale_internal.h>
+#include <cstdlib>
+#include <cstring>
+#include <cstdio>
+
+namespace std
+{
+  // NB: The other ctype<char> specializations are in src/locale.cc and
+  // various /config/os/* files.
+
+  ctype_byname<char>::ctype_byname(const char* __s, size_t __refs)
+  : ctype<char>(0, false, __refs) 
+  { 		
+    if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
+      {
+	this->_S_destroy_c_locale(this->_M_c_locale_ctype);
+	this->_S_create_c_locale(this->_M_c_locale_ctype, __s); 
+      }
+  }
+
+  ctype_byname<char>::~ctype_byname()
+  { }
+
+#ifdef _GLIBCXX_USE_WCHAR_T  
+  ctype<wchar_t>::__wmask_type
+  ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
+  {
+    // Darwin uses the same codes for 'char' as 'wchar_t', so this routine
+    // never gets called.
+    return __m;
+  };
+  
+  wchar_t
+  ctype<wchar_t>::do_toupper(wchar_t __c) const
+  { return towupper(__c); }
+
+  const wchar_t*
+  ctype<wchar_t>::do_toupper(wchar_t* __lo, const wchar_t* __hi) const
+  {
+    while (__lo < __hi)
+      {
+        *__lo = towupper(*__lo);
+        ++__lo;
+      }
+    return __hi;
+  }
+  
+  wchar_t
+  ctype<wchar_t>::do_tolower(wchar_t __c) const
+  { return towlower(__c); }
+  
+  const wchar_t*
+  ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
+  {
+    while (__lo < __hi)
+      {
+        *__lo = towlower(*__lo);
+        ++__lo;
+      }
+    return __hi;
+  }
+
+  wchar_t
+  ctype<wchar_t>::
+  do_widen(char __c) const
+  { return _M_widen[static_cast<unsigned char>(__c)]; }
+
+  const char* 
+  ctype<wchar_t>::
+  do_widen(const char* __lo, const char* __hi, wchar_t* __dest) const
+  {
+    while (__lo < __hi)
+      {
+	*__dest = _M_widen[static_cast<unsigned char>(*__lo)];
+	++__lo;
+	++__dest;
+      }
+    return __hi;
+  }
+
+  char
+  ctype<wchar_t>::
+  do_narrow(wchar_t __wc, char __dfault) const
+  { 
+    if (__wc >= 0 && __wc < 128 && _M_narrow_ok)
+      return _M_narrow[__wc];
+    const int __c = wctob(__wc);
+    return (__c == EOF ? __dfault : static_cast<char>(__c)); 
+  }
+
+  const wchar_t*
+  ctype<wchar_t>::
+  do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault, 
+	    char* __dest) const
+  {
+    if (_M_narrow_ok)
+      while (__lo < __hi)
+	{
+	  if (*__lo >= 0 && *__lo < 128)
+	    *__dest = _M_narrow[*__lo];
+	  else
+	    {
+	      const int __c = wctob(*__lo);
+	      *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+	    }
+	  ++__lo;
+	  ++__dest;
+	}
+    else
+      while (__lo < __hi)
+	{
+	  const int __c = wctob(*__lo);
+	  *__dest = (__c == EOF ? __dfault : static_cast<char>(__c));
+	  ++__lo;
+	  ++__dest;
+	}
+    return __hi;
+  }
+
+  void
+  ctype<wchar_t>::_M_initialize_ctype()
+  {
+    wint_t __i;
+    for (__i = 0; __i < 128; ++__i)
+      {
+	const int __c = wctob(__i);
+	if (__c == EOF)
+	  break;
+	else
+	  _M_narrow[__i] = static_cast<char>(__c);
+      }
+    if (__i == 128)
+      _M_narrow_ok = true;
+    else
+      _M_narrow_ok = false;
+    for (size_t __i = 0;
+	 __i < sizeof(_M_widen) / sizeof(wint_t); ++__i)
+      _M_widen[__i] = btowc(__i);
+  }
+#endif //  _GLIBCXX_USE_WCHAR_T
+}