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📄 std_cctype.h

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// -*- C++ -*- forwarding header.// Copyright (C) 1997, 1998, 1999, 2000, 2001 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 2, 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.// You should have received a copy of the GNU General Public License along// with this library; see the file COPYING.  If not, write to the Free// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,// USA.// As a special exception, you may use this file as part of a free software// library without restriction.  Specifically, if other files instantiate// templates or use macros or inline functions from this file, or you compile// this file and link it with other files to produce an executable, this// file does not by itself cause the resulting executable to be covered by// the GNU General Public License.  This exception does not however// invalidate any other reasons why the executable file might be covered by// the GNU General Public License.//// ISO C++ 14882: <ccytpe>///** @file cctype *  This is a Standard C++ Library file.  You should @c #include this file *  in your programs, rather than any of the "*.h" implementation files. * *  This is the C++ version of the Standard C Library header @c ctype.h, *  and its contents are (mostly) the same as that header, but are all *  contained in the namespace @c std. */#ifndef _CPP_CCTYPE#define _CPP_CCTYPE 1#pragma GCC system_header#include <bits/c++config.h>#include <ctype.h>// Get rid of those macros defined in <ctype.h> in lieu of real functions.#undef isalnum#undef isalpha#undef iscntrl#undef isdigit#undef isgraph#undef islower#undef isprint#undef ispunct#undef isspace#undef isupper#undef isxdigit#undef tolower#undef touppernamespace std{  using ::isalnum;  using ::isalpha;  using ::iscntrl;  using ::isdigit;  using ::isgraph;  using ::islower;  using ::isprint;  using ::ispunct;  using ::isspace;  using ::isupper;  using ::isxdigit;  using ::tolower;  using ::toupper;}#endif 

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