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[glibc.git] / wctype / iswctype.c
blob58a2a5288f5bf77e385ab7ceb4fa8369d00aa404
1 /* Copyright (C) 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
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.
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.
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. */
20 #include <ctype.h>
21 #include <wctype.h>
23 #include "cname-lookup.h"
26 extern unsigned int *__ctype32_b;
29 int
30 __iswctype (wint_t wc, wctype_t desc)
32 size_t idx;
34 idx = cname_lookup (wc);
35 if (idx == ~((size_t) 0))
36 return 0;
38 return __ctype32_b[idx] & desc;
40 weak_alias (__iswctype, iswctype)