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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/cstdio | 
 
 
 
 
 
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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 stdio.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: 27.8.2  C Library files | 
 
 
 
 
 
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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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 #include <stdio.h> | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #ifndef _GLIBCXX_CSTDIO | 
 
 
 
 
 
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 #define _GLIBCXX_CSTDIO 1 | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if __cplusplus <= 201103L && !defined(_GLIBCXX_HAVE_GETS) | 
 
 
 
 
 
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 extern "C" char* gets (char* __s) __attribute__((__deprecated__)); | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Get rid of those macros defined in <stdio.h> in lieu of real functions. | 
 
 
 
 
 
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 #undef clearerr | 
 
 
 
 
 
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 #undef fclose | 
 
 
 
 
 
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 #undef feof | 
 
 
 
 
 
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 #undef ferror | 
 
 
 
 
 
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 #undef fflush | 
 
 
 
 
 
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 #undef fgetc | 
 
 
 
 
 
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 #undef fgetpos | 
 
 
 
 
 
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 #undef fgets | 
 
 
 
 
 
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 #undef fopen | 
 
 
 
 
 
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 #undef fprintf | 
 
 
 
 
 
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 #undef fputc | 
 
 
 
 
 
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 #undef fputs | 
 
 
 
 
 
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 #undef fread | 
 
 
 
 
 
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 #undef freopen | 
 
 
 
 
 
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 #undef fscanf | 
 
 
 
 
 
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 #undef fseek | 
 
 
 
 
 
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 #undef fsetpos | 
 
 
 
 
 
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 #undef ftell | 
 
 
 
 
 
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 #undef fwrite | 
 
 
 
 
 
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 #undef getc | 
 
 
 
 
 
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 #undef getchar | 
 
 
 
 
 
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 #if __cplusplus <= 201103L | 
 
 
 
 
 
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 # undef gets | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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 #undef perror | 
 
 
 
 
 
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 #undef printf | 
 
 
 
 
 
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 #undef putc | 
 
 
 
 
 
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 #undef putchar | 
 
 
 
 
 
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 #undef puts | 
 
 
 
 
 
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 #undef remove | 
 
 
 
 
 
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 #undef rename | 
 
 
 
 
 
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 #undef rewind | 
 
 
 
 
 
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 #undef scanf | 
 
 
 
 
 
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 #undef setbuf | 
 
 
 
 
 
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 #undef setvbuf | 
 
 
 
 
 
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 #undef sprintf | 
 
 
 
 
 
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 #undef sscanf | 
 
 
 
 
 
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 #undef tmpfile | 
 
 
 
 
 
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 #undef tmpnam | 
 
 
 
 
 
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 #undef ungetc | 
 
 
 
 
 
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 #undef vfprintf | 
 
 
 
 
 
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 #undef vprintf | 
 
 
 
 
 
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 #undef vsprintf | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace std | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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   using ::FILE; | 
 
 
 
 
 
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   using ::fpos_t; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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   using ::clearerr; | 
 
 
 
 
 
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   using ::fclose; | 
 
 
 
 
 
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   using ::feof; | 
 
 
 
 
 
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   using ::ferror; | 
 
 
 
 
 
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   using ::fflush; | 
 
 
 
 
 
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   using ::fgetc; | 
 
 
 
 
 
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   using ::fgetpos; | 
 
 
 
 
 
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   using ::fgets; | 
 
 
 
 
 
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   using ::fopen; | 
 
 
 
 
 
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   using ::fprintf; | 
 
 
 
 
 
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   using ::fputc; | 
 
 
 
 
 
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   using ::fputs; | 
 
 
 
 
 
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   using ::fread; | 
 
 
 
 
 
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   using ::freopen; | 
 
 
 
 
 
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   using ::fscanf; | 
 
 
 
 
 
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   using ::fseek; | 
 
 
 
 
 
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   using ::fsetpos; | 
 
 
 
 
 
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   using ::ftell; | 
 
 
 
 
 
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   using ::fwrite; | 
 
 
 
 
 
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   using ::getc; | 
 
 
 
 
 
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   using ::getchar; | 
 
 
 
 
 
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 #if __cplusplus <= 201103L | 
 
 
 
 
 
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   // LWG 2249 | 
 
 
 
 
 
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   using ::gets; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::perror; | 
 
 
 
 
 
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   using ::printf; | 
 
 
 
 
 
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   using ::putc; | 
 
 
 
 
 
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   using ::putchar; | 
 
 
 
 
 
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   using ::puts; | 
 
 
 
 
 
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   using ::remove; | 
 
 
 
 
 
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   using ::rename; | 
 
 
 
 
 
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   using ::rewind; | 
 
 
 
 
 
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   using ::scanf; | 
 
 
 
 
 
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   using ::setbuf; | 
 
 
 
 
 
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   using ::setvbuf; | 
 
 
 
 
 
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   using ::sprintf; | 
 
 
 
 
 
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   using ::sscanf; | 
 
 
 
 
 
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   using ::tmpfile; | 
 
 
 
 
 
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 #if _GLIBCXX_USE_TMPNAM | 
 
 
 
 
 
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   using ::tmpnam; | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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   using ::ungetc; | 
 
 
 
 
 
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   using ::vfprintf; | 
 
 
 
 
 
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   using ::vprintf; | 
 
 
 
 
 
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   using ::vsprintf; | 
 
 
 
 
 
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 } // namespace | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if _GLIBCXX_USE_C99_STDIO | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #undef snprintf | 
 
 
 
 
 
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 #undef vfscanf | 
 
 
 
 
 
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 #undef vscanf | 
 
 
 
 
 
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 #undef vsnprintf | 
 
 
 
 
 
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 #undef vsscanf | 
 
 
 
 
 
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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" int | 
 
 
 
 
 
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   (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...) | 
 
 
 
 
 
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   throw (); | 
 
 
 
 
 
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   extern "C" int | 
 
 
 
 
 
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   (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list); | 
 
 
 
 
 
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   extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list); | 
 
 
 
 
 
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   extern "C" int | 
 
 
 
 
 
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   (vsnprintf)(char * __restrict, std::size_t, const char * __restrict, | 
 
 
 
 
 
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               __gnuc_va_list) throw (); | 
 
 
 
 
 
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   extern "C" int | 
 
 
 
 
 
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   (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list) | 
 
 
 
 
 
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   throw (); | 
 
 
 
 
 
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 #endif | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #if !_GLIBCXX_USE_C99_DYNAMIC | 
 
 
 
 
 
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   using ::snprintf; | 
 
 
 
 
 
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   using ::vfscanf; | 
 
 
 
 
 
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   using ::vscanf; | 
 
 
 
 
 
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   using ::vsnprintf; | 
 
 
 
 
 
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   using ::vsscanf; | 
 
 
 
 
 
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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::snprintf; | 
 
 
 
 
 
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   using ::__gnu_cxx::vfscanf; | 
 
 
 
 
 
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   using ::__gnu_cxx::vscanf; | 
 
 
 
 
 
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   using ::__gnu_cxx::vsnprintf; | 
 
 
 
 
 
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   using ::__gnu_cxx::vsscanf; | 
 
 
 
 
 
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 } // namespace std | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif // _GLIBCXX_USE_C99_STDIO | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif |