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-rw-r--r--lib/wmemchr-impl.h27
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diff --git a/lib/wmemchr-impl.h b/lib/wmemchr-impl.h
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+/* Search wide character array for a wide character.
+ Copyright (C) 1999, 2011-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 1999.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+wchar_t *
+wmemchr (const wchar_t *s, wchar_t c, size_t n)
+{
+ for (; n > 0; s++, n--)
+ {
+ if (*s == c)
+ return (wchar_t *) s;
+ }
+ return NULL;
+}