-struct node *zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref);
-u32 zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref);
-void zone_remove_as_router(struct _zone *z_ptr, u32 router);
-void zone_send_external_routes(struct _zone *z_ptr, u32 dest);
-struct _zone *zone_create(u32 addr);
-void zone_delete(struct _zone *z_ptr);
-void zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr);
-u32 zone_next_node(u32 addr);
+struct node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref);
+u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref);
+void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router);
+void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest);
+struct _zone *tipc_zone_create(u32 addr);
+void tipc_zone_delete(struct _zone *z_ptr);
+void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr);
+u32 tipc_zone_next_node(u32 addr);