-extern RT_entry *rt_binsert();
-extern RT_entry *rt_insert();
-extern RT_entry *rt_bdelete();
+extern RT_entry *rt_binsert (RT_entry *);
+extern RT_entry *rt_insert( at_net_al NStop, at_net_al NStart, at_net_al NxNet,
+ at_node NxNode, u_char NtDist, u_char NtPort, u_char EntS);
+extern RT_entry *rt_bdelete (at_net_al NetStop, at_net_al NetStart);