-extern hostSG_t struct_host;
-extern router_t struct_router;
-extern cluster_t struct_cluster;
-extern peer_t struct_peer;
-extern link_t struct_lnk;
+extern surf_parsing_host_arg_t struct_host;
+extern surf_parsing_router_arg_t struct_router;
+extern surf_parsing_cluster_arg_t struct_cluster;
+extern surf_parsing_peer_arg_t struct_peer;
+extern surf_parsing_link_arg_t struct_lnk;