diff --git a/ospf6d/ospf6_zebra.h b/ospf6d/ospf6_zebra.h
index d86b2db..fb9877b 100644
--- a/ospf6d/ospf6_zebra.h
+++ b/ospf6d/ospf6_zebra.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999 Yasuhiro Ohara
+ * Copyright (C) 2003 Yasuhiro Ohara
  *
  * This file is part of GNU Zebra.
  *
@@ -22,25 +22,32 @@
 #ifndef OSPF6_ZEBRA_H
 #define OSPF6_ZEBRA_H
 
+#include "zclient.h"
+
+/* Debug option */
+extern unsigned char conf_debug_ospf6_zebra;
+#define OSPF6_DEBUG_ZEBRA_SEND 0x01
+#define OSPF6_DEBUG_ZEBRA_RECV 0x02
+#define OSPF6_DEBUG_ZEBRA_ON(level) \
+  (conf_debug_ospf6_zebra |= level)
+#define OSPF6_DEBUG_ZEBRA_OFF(level) \
+  (conf_debug_ospf6_zebra &= ~(level))
+#define IS_OSPF6_DEBUG_ZEBRA(e) \
+  (conf_debug_ospf6_zebra & OSPF6_DEBUG_ZEBRA_ ## e)
+
 extern struct zclient *zclient;
 
+void ospf6_zebra_route_update_add (struct ospf6_route *request);
+void ospf6_zebra_route_update_remove (struct ospf6_route *request);
+
 void ospf6_zebra_redistribute (int);
 void ospf6_zebra_no_redistribute (int);
-int ospf6_zebra_is_redistribute (int);
-
-int ospf6_zebra_get_interface (int, struct zclient *, zebra_size_t);
-int ospf6_zebra_read (struct thread *); 
+#define ospf6_zebra_is_redistribute(type) \
+  (zclient->redist[type])
 void ospf6_zebra_init ();
-void ospf6_zebra_finish ();
-void ospf6_zebra_start ();
 
-int ospf6_zebra_read_ipv6 (int, struct zclient *, zebra_size_t);
-
-extern const char *zebra_route_name[ZEBRA_ROUTE_MAX];
-extern const char *zebra_route_abname[ZEBRA_ROUTE_MAX];
-
-void ospf6_zebra_route_update_add (struct ospf6_route_req *request);
-void ospf6_zebra_route_update_remove (struct ospf6_route_req *request);
+int config_write_ospf6_debug_zebra (struct vty *vty);
+void install_element_ospf6_debug_zebra ();
 
 #endif /*OSPF6_ZEBRA_H*/