wctype/iswctype.c

   1 /* Copyright (C) 1996, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <ctype.h>
  21 #include <wctype.h>
  22
  23 #include "wchar-lookup.h"
  24
  25
  26 int
  27 __iswctype (wint_t wc, wctype_t desc)
  28 {
  29   /* If the user passes in an invalid DESC valid (the one returned from
  30      `wctype' in case of an error) simply return 0.  */
  31   if (desc == (wctype_t) 0)
  32     return 0;
  33
  34   return wctype_table_lookup ((const char *) desc, wc);
  35 }
  36 weak_alias (__iswctype, iswctype)