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+/* Decomposition of Unicode strings.
+ Copyright (C) 2009-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2009.
+
+ 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 <stddef.h>
+
+#include "unitypes.h"
+
+/* Variant of uc_decomposition that does not produce the 'tag'. */
+extern int
+ uc_compat_decomposition (ucs4_t uc, ucs4_t *decomposition);
+
+/* A Unicode character together with its canonical combining class. */
+struct ucs4_with_ccc
+{
+ ucs4_t code;
+ int ccc; /* range 0..255 */
+};
+
+/* Stable-sort an array of 'struct ucs4_with_ccc'. */
+extern void
+ gl_uninorm_decompose_merge_sort_inplace (struct ucs4_with_ccc *src, size_t n,
+ struct ucs4_with_ccc *tmp);