--- /dev/null
+#ifndef CLIENT_TAGS_H_INCLUDED
+#define CLIENT_TAGS_H_INCLUDED
+#define CLIENT_TAGS_H_VERSION "$Id:$"
+/*********************************************************************
+ *
+ * File : $Source: $
+ *
+ * Purpose : Declares functions for client-specific tags.
+ *
+ * Copyright : Copyright (C) 2016 Fabian Keil <fk@fabiankeil.de>
+ *
+ * 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.
+ *
+ * The GNU General Public License should be included with
+ * this file. If not, you can view it at
+ * http://www.gnu.org/copyleft/gpl.html
+ * or write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *********************************************************************/
+
+extern int client_tag_match(const struct pattern_spec *pattern,
+ const struct list *tags);
+extern void get_tag_list_for_client(struct list *tag_list,
+ const char *client_address);
+extern jb_err disable_client_specific_tag(struct client_state *csp,
+ const char *tag_name);
+extern jb_err enable_client_specific_tag(struct client_state *csp,
+ const char *tag_name,
+ const time_t time_to_live);
+extern int client_has_requested_tag(const char *client_address,
+ const char *tag);
+#endif