-Record rec_cp (Record rec);
-void rec_del (Records p, Record *recpp);
-void rec_rm (Record *recpp);
-void rec_put (Records p, Record *recpp);
-Record rec_new (Records p);
-Record rec_get (Records p, int sysno);
+Record rec_cp(Record rec);
+void rec_del(Records p, Record *recpp);
+void rec_rm(Record *recpp);
+void rec_put(Records p, Record *recpp);
+Record rec_new(Records p);
+Record rec_get(Records p, SYSNO sysno);
+Record rec_get_root(Records p);