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diff --git a/src/archive/ArchiveLookup.hxx b/src/archive/ArchiveLookup.hxx
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+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_ARCHIVE_LOOKUP_HXX
+#define MPD_ARCHIVE_LOOKUP_HXX
+
+/**
+ *
+ * archive_lookup is used to determine if part of pathname refers to an regular
+ * file (archive). If so then its also used to split pathname into archive file
+ * and path used to locate file in archive. It also returns suffix of the file.
+ * How it works:
+ * We do stat of the parent of input pathname as long as we find an regular file
+ * Normally this should never happen. When routine returns true pathname modified
+ * and split into archive, inpath and suffix. Otherwise nothing happens
+ *
+ * For example:
+ *
+ * /music/path/Talco.zip/Talco - Combat Circus/12 - A la pachenka.mp3
+ * is split into archive:	/music/path/Talco.zip
+ * inarchive pathname:		Talco - Combat Circus/12 - A la pachenka.mp3
+ * and suffix:			 zip
+ */
+bool
+archive_lookup(char *pathname, const char **archive,
+	       const char **inpath, const char **suffix);
+
+#endif
+