1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
21 #include "wchar-lookup.h"
26 __iswctype (wint_t wc, wctype_t desc)
28 /* If the user passes in an invalid DESC valid (the one returned from
29 `wctype' in case of an error) simply return 0. */
30 if (desc == (wctype_t) 0)
33 return wctype_table_lookup ((const char *) desc, wc);
35 libc_hidden_def (__iswctype)
36 weak_alias (__iswctype, iswctype)