+char *scope_get_string(struct scope *sc, char *cmd, int maxlen);
+int scope_get_truth_value(struct scope *sc, char *cmd);
+int scope_get_int(struct scope *sc, char *cmd);
+double scope_get_double(struct scope *sc, char*cmd);
+void update_scope_measurements(struct scope *sc);
+int update_scope_status(struct scope *sc);