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diff --git a/lib/wmempcpy.c b/lib/wmempcpy.c
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+/* Copy wide character array, return pointer after last written wide character.
+ Copyright (C) 2020-2022 Free Software Foundation, Inc.
+
+ 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/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <wchar.h>
+
+/* Copy N wide characters of SRC to DEST.
+ Return pointer to wide characters after the last written wide character. */
+wchar_t *
+wmempcpy (wchar_t *dest, const wchar_t *src, size_t n)
+{
+ return wmemcpy (dest, src, n) + n;
+}