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+/* relpath - print the relative path
+ Copyright (C) 2012-2020 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Pádraig Brady. */
+
+#ifndef _RELPATH_H
+# define _RELPATH_H
+
+extern bool
+relpath (const char *can_fname, const char *can_reldir, char *buf, size_t len);
+
+#endif