libcxx/include/cctype

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_CCTYPE
#define _LIBCPP_CCTYPE

/*
    cctype synopsis

namespace std
{

int isalnum(int c);
int isalpha(int c);
int isblank(int c);  // C99
int iscntrl(int c);
int isdigit(int c);
int isgraph(int c);
int islower(int c);
int isprint(int c);
int ispunct(int c);
int isspace(int c);
int isupper(int c);
int isxdigit(int c);
int tolower(int c);
int toupper(int c);

}  // std
*/

#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#  include <__cxx03/cctype>
#else
#  include <__config>

#  include <ctype.h>

#  ifndef _LIBCPP_CTYPE_H
#   error <cctype> tried including <ctype.h> but didn't find libc++'s <ctype.h> header. \
          This usually means that your header search paths are not configured properly.  \
          The header search paths should contain the C++ Standard Library headers before \
          any C Standard Library.
#  endif

#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#    pragma GCC system_header
#  endif

_LIBCPP_BEGIN_NAMESPACE_STD

#  ifdef isalnum
#    undef isalnum
#  endif

#  ifdef isalpha
#    undef isalpha
#  endif

#  ifdef isblank
#    undef isblank
#  endif

#  ifdef iscntrl
#    undef iscntrl
#  endif

#  ifdef isdigit
#    undef isdigit
#  endif

#  ifdef isgraph
#    undef isgraph
#  endif

#  ifdef islower
#    undef islower
#  endif

#  ifdef isprint
#    undef isprint
#  endif

#  ifdef ispunct
#    undef ispunct
#  endif

#  ifdef isspace
#    undef isspace
#  endif

#  ifdef isupper
#    undef isupper
#  endif

#  ifdef isxdigit
#    undef isxdigit
#  endif

#  ifdef tolower
#    undef tolower
#  endif

#  ifdef toupper
#    undef toupper
#  endif

using ::isalnum _LIBCPP_USING_IF_EXISTS;
using ::isalpha _LIBCPP_USING_IF_EXISTS;
using ::isblank _LIBCPP_USING_IF_EXISTS;
using ::iscntrl _LIBCPP_USING_IF_EXISTS;
using ::isdigit _LIBCPP_USING_IF_EXISTS;
using ::isgraph _LIBCPP_USING_IF_EXISTS;
using ::islower _LIBCPP_USING_IF_EXISTS;
using ::isprint _LIBCPP_USING_IF_EXISTS;
using ::ispunct _LIBCPP_USING_IF_EXISTS;
using ::isspace _LIBCPP_USING_IF_EXISTS;
using ::isupper _LIBCPP_USING_IF_EXISTS;
using ::isxdigit _LIBCPP_USING_IF_EXISTS;
using ::tolower _LIBCPP_USING_IF_EXISTS;
using ::toupper _LIBCPP_USING_IF_EXISTS;

_LIBCPP_END_NAMESPACE_STD
#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)

#endif // _LIBCPP_CCTYPE