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 // -*- C++ -*- forwarding header. | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Copyright (C) 1997-2021 Free Software Foundation, Inc. | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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 // This file is part of the GNU ISO C++ Library.  This library is free | 
 
 
 
 
 
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 // software; you can redistribute it and/or modify it under the | 
 
 
 
 
 
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 // terms of the GNU General Public License as published by the | 
 
 
 
 
 
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 // Free Software Foundation; either version 3, or (at your option) | 
 
 
 
 
 
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 // any later version. | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // This library is distributed in the hope that it will be useful, | 
 
 
 
 
 
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 // but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 
 
 
 
 
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 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 
 
 
 
 
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 // GNU General Public License for more details. | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Under Section 7 of GPL version 3, you are granted additional | 
 
 
 
 
 
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 // permissions described in the GCC Runtime Library Exception, version | 
 
 
 
 
 
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 // 3.1, as published by the Free Software Foundation. | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // You should have received a copy of the GNU General Public License and | 
 
 
 
 
 
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 // a copy of the GCC Runtime Library Exception along with this program; | 
 
 
 
 
 
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 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see | 
 
 
 
 
 
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 // <http://www.gnu.org/licenses/>. | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 /** @file include/cwchar | 
 
 
 
 
 
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  *  This is a Standard C++ Library file.  You should @c \#include this file | 
 
 
 
 
 
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  *  in your programs, rather than any of the @a *.h implementation files. | 
 
 
 
 
 
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  * | 
 
 
 
 
 
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  *  This is the C++ version of the Standard C Library header @c wchar.h, | 
 
 
 
 
 
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  *  and its contents are (mostly) the same as that header, but are all | 
 
 
 
 
 
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  *  contained in the namespace @c std (except for names which are defined | 
 
 
 
 
 
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  *  as macros in C). | 
 
 
 
 
 
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  */ | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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 // ISO C++ 14882: 21.4 | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #pragma GCC system_header | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #include <bits/c++config.h> | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_WCHAR_H | 
 
 
 
 
 
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 #include <wchar.h> | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #ifndef _GLIBCXX_CWCHAR | 
 
 
 
 
 
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 #define _GLIBCXX_CWCHAR 1 | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Need to do a bit of trickery here with mbstate_t as char_traits | 
 
 
 
 
 
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 // assumes it is in wchar.h, regardless of wchar_t specializations. | 
 
 
 
 
 
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 #ifndef _GLIBCXX_HAVE_MBSTATE_T | 
 
 
 
 
 
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 extern "C" | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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   typedef struct | 
 
 
 
 
 
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   { | 
 
 
 
 
 
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     int __fill[6]; | 
 
 
 
 
 
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   } mbstate_t; | 
 
 
 
 
 
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 } | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace std | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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   using ::mbstate_t; | 
 
 
 
 
 
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 } // namespace std | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Get rid of those macros defined in <wchar.h> in lieu of real functions. | 
 
 
 
 
 
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 #undef btowc | 
 
 
 
 
 
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 #undef fgetwc | 
 
 
 
 
 
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 #undef fgetws | 
 
 
 
 
 
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 #undef fputwc | 
 
 
 
 
 
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 #undef fputws | 
 
 
 
 
 
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 #undef fwide | 
 
 
 
 
 
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 #undef fwprintf | 
 
 
 
 
 
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 #undef fwscanf | 
 
 
 
 
 
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 #undef getwc | 
 
 
 
 
 
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 #undef getwchar | 
 
 
 
 
 
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 #undef mbrlen | 
 
 
 
 
 
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 #undef mbrtowc | 
 
 
 
 
 
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 #undef mbsinit | 
 
 
 
 
 
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 #undef mbsrtowcs | 
 
 
 
 
 
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 #undef putwc | 
 
 
 
 
 
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 #undef putwchar | 
 
 
 
 
 
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 #undef swprintf | 
 
 
 
 
 
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 #undef swscanf | 
 
 
 
 
 
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 #undef ungetwc | 
 
 
 
 
 
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 #undef vfwprintf | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VFWSCANF | 
 
 
 
 
 
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 # undef vfwscanf | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #undef vswprintf | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VSWSCANF | 
 
 
 
 
 
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 # undef vswscanf | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #undef vwprintf | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VWSCANF | 
 
 
 
 
 
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 # undef vwscanf | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #undef wcrtomb | 
 
 
 
 
 
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 #undef wcscat | 
 
 
 
 
 
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 #undef wcschr | 
 
 
 
 
 
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 #undef wcscmp | 
 
 
 
 
 
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 #undef wcscoll | 
 
 
 
 
 
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 #undef wcscpy | 
 
 
 
 
 
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 #undef wcscspn | 
 
 
 
 
 
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 #undef wcsftime | 
 
 
 
 
 
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 #undef wcslen | 
 
 
 
 
 
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 #undef wcsncat | 
 
 
 
 
 
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 #undef wcsncmp | 
 
 
 
 
 
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 #undef wcsncpy | 
 
 
 
 
 
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 #undef wcspbrk | 
 
 
 
 
 
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 #undef wcsrchr | 
 
 
 
 
 
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 #undef wcsrtombs | 
 
 
 
 
 
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 #undef wcsspn | 
 
 
 
 
 
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 #undef wcsstr | 
 
 
 
 
 
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 #undef wcstod | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_WCSTOF | 
 
 
 
 
 
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 # undef wcstof | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #undef wcstok | 
 
 
 
 
 
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 #undef wcstol | 
 
 
 
 
 
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 #undef wcstoul | 
 
 
 
 
 
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 #undef wcsxfrm | 
 
 
 
 
 
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 #undef wctob | 
 
 
 
 
 
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 #undef wmemchr | 
 
 
 
 
 
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 #undef wmemcmp | 
 
 
 
 
 
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 #undef wmemcpy | 
 
 
 
 
 
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 #undef wmemmove | 
 
 
 
 
 
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 #undef wmemset | 
 
 
 
 
 
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 #undef wprintf | 
 
 
 
 
 
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 #undef wscanf | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if _GLIBCXX_USE_WCHAR_T | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 extern "C++" | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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 namespace std _GLIBCXX_VISIBILITY(default) | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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 _GLIBCXX_BEGIN_NAMESPACE_VERSION | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   using ::wint_t; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   using ::btowc; | 
 
 
 
 
 
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   using ::fgetwc; | 
 
 
 
 
 
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   using ::fgetws; | 
 
 
 
 
 
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   using ::fputwc; | 
 
 
 
 
 
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   using ::fputws; | 
 
 
 
 
 
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   using ::fwide; | 
 
 
 
 
 
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   using ::fwprintf; | 
 
 
 
 
 
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   using ::fwscanf; | 
 
 
 
 
 
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   using ::getwc; | 
 
 
 
 
 
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   using ::getwchar; | 
 
 
 
 
 
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   using ::mbrlen; | 
 
 
 
 
 
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   using ::mbrtowc; | 
 
 
 
 
 
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   using ::mbsinit; | 
 
 
 
 
 
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   using ::mbsrtowcs; | 
 
 
 
 
 
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   using ::putwc; | 
 
 
 
 
 
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   using ::putwchar; | 
 
 
 
 
 
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 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF | 
 
 
 
 
 
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   using ::swprintf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::swscanf; | 
 
 
 
 
 
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   using ::ungetwc; | 
 
 
 
 
 
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   using ::vfwprintf; | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VFWSCANF | 
 
 
 
 
 
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   using ::vfwscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF | 
 
 
 
 
 
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   using ::vswprintf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VSWSCANF | 
 
 
 
 
 
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   using ::vswscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::vwprintf; | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VWSCANF | 
 
 
 
 
 
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   using ::vwscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::wcrtomb; | 
 
 
 
 
 
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   using ::wcscat; | 
 
 
 
 
 
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   using ::wcscmp; | 
 
 
 
 
 
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   using ::wcscoll; | 
 
 
 
 
 
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   using ::wcscpy; | 
 
 
 
 
 
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   using ::wcscspn; | 
 
 
 
 
 
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   using ::wcsftime; | 
 
 
 
 
 
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   using ::wcslen; | 
 
 
 
 
 
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   using ::wcsncat; | 
 
 
 
 
 
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   using ::wcsncmp; | 
 
 
 
 
 
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   using ::wcsncpy; | 
 
 
 
 
 
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   using ::wcsrtombs; | 
 
 
 
 
 
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   using ::wcsspn; | 
 
 
 
 
 
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   using ::wcstod; | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_WCSTOF | 
 
 
 
 
 
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   using ::wcstof; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::wcstok; | 
 
 
 
 
 
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   using ::wcstol; | 
 
 
 
 
 
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   using ::wcstoul; | 
 
 
 
 
 
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   using ::wcsxfrm; | 
 
 
 
 
 
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   using ::wctob; | 
 
 
 
 
 
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   using ::wmemcmp; | 
 
 
 
 
 
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   using ::wmemcpy; | 
 
 
 
 
 
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   using ::wmemmove; | 
 
 
 
 
 
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   using ::wmemset; | 
 
 
 
 
 
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   using ::wprintf; | 
 
 
 
 
 
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   using ::wscanf; | 
 
 
 
 
 
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   using ::wcschr; | 
 
 
 
 
 
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   using ::wcspbrk; | 
 
 
 
 
 
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   using ::wcsrchr; | 
 
 
 
 
 
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   using ::wcsstr; | 
 
 
 
 
 
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   using ::wmemchr; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO | 
 
 
 
 
 
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   inline wchar_t* | 
 
 
 
 
 
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   wcschr(wchar_t* __p, wchar_t __c) | 
 
 
 
 
 
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   { return wcschr(const_cast<const wchar_t*>(__p), __c); } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   inline wchar_t* | 
 
 
 
 
 
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   wcspbrk(wchar_t* __s1, const wchar_t* __s2) | 
 
 
 
 
 
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   { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   inline wchar_t* | 
 
 
 
 
 
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   wcsrchr(wchar_t* __p, wchar_t __c) | 
 
 
 
 
 
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   { return wcsrchr(const_cast<const wchar_t*>(__p), __c); } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   inline wchar_t* | 
 
 
 
 
 
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   wcsstr(wchar_t* __s1, const wchar_t* __s2) | 
 
 
 
 
 
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   { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   inline wchar_t* | 
 
 
 
 
 
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   wmemchr(wchar_t* __p, wchar_t __c, size_t __n) | 
 
 
 
 
 
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   { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); } | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 _GLIBCXX_END_NAMESPACE_VERSION | 
 
 
 
 
 
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 } // namespace | 
 
 
 
 
 
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 } // extern "C++" | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if _GLIBCXX_USE_C99_WCHAR | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #undef wcstold | 
 
 
 
 
 
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 #undef wcstoll | 
 
 
 
 
 
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 #undef wcstoull | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace __gnu_cxx | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC | 
 
 
 
 
 
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   extern "C" long double | 
 
 
 
 
 
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     (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw (); | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if !_GLIBCXX_USE_C99_DYNAMIC | 
 
 
 
 
 
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   using ::wcstold; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC | 
 
 
 
 
 
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   extern "C" long long int | 
 
 
 
 
 
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     (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw (); | 
 
 
 
 
 
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   extern "C" unsigned long long int | 
 
 
 
 
 
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     (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw (); | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC | 
 
 
 
 
 
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   using ::wcstoll; | 
 
 
 
 
 
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   using ::wcstoull; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 } // namespace __gnu_cxx | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace std | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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   using ::__gnu_cxx::wcstold; | 
 
 
 
 
 
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   using ::__gnu_cxx::wcstoll; | 
 
 
 
 
 
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   using ::__gnu_cxx::wcstoull; | 
 
 
 
 
 
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 } // namespace | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif //_GLIBCXX_USE_WCHAR_T | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if __cplusplus >= 201103L | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #ifdef _GLIBCXX_USE_WCHAR_T | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace std | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_WCSTOF | 
 
 
 
 
 
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   using std::wcstof; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VFWSCANF | 
 
 
 
 
 
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   using std::vfwscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VSWSCANF | 
 
 
 
 
 
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   using std::vswscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #if _GLIBCXX_HAVE_VWSCANF | 
 
 
 
 
 
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   using std::vwscanf; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if _GLIBCXX_USE_C99_WCHAR | 
 
 
 
 
 
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   using std::wcstold; | 
 
 
 
 
 
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   using std::wcstoll; | 
 
 
 
 
 
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   using std::wcstoull; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 } // namespace | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif // _GLIBCXX_USE_WCHAR_T | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif // C++11 | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif |