-extern union ns_host ns_thishost;
-extern union ns_host ns_zerohost;
-extern union ns_host ns_broadhost;
-extern union ns_net ns_zeronet;
-extern union ns_net ns_broadnet;
+union ns_host ns_thishost;
+union ns_host ns_zerohost;
+union ns_host ns_broadhost;
+union ns_net ns_zeronet;
+union ns_net ns_broadnet;