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      1 // -*- C++ -*- forwarding header.
      2 
      3 // Copyright (C) 2000-2024 Free Software Foundation, Inc.
      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
      8 // Free Software Foundation; either version 3, or (at your option)
      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 
     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/>.
     24 
     25 //
     26 // ISO C++ 14882: 21.4
     27 //
     28 
     29 #ifndef _GLIBCXX_CWCHAR
     30 #define _GLIBCXX_CWCHAR 1
     31 
     32 #pragma GCC system_header
     33 
     34 #include <bits/c++config.h>
     35 #include <cstddef>
     36 #include <ctime>
     37 
     38 #if _GLIBCXX_HAVE_WCHAR_H
     39 #include_next <wchar.h>
     40 #endif
     41 
     42 // Need to do a bit of trickery here with mbstate_t as char_traits
     43 // assumes it is in wchar.h, regardless of wchar_t specializations.
     44 #ifndef _GLIBCXX_HAVE_MBSTATE_T
     45 namespace std _GLIBCXX_VISIBILITY(default)
     46 {
     47   extern "C"
     48   {
     49     typedef struct
     50     {
     51       int __fill[6];
     52     } mbstate_t;
     53   }
     54 }
     55 #endif
     56 
     57 #endif
     58