
  TYPE

{ For each attribute, the origin of the current value is one of:

    ift$connection_attribute_source = (ifc$undefined_attribute,
      ifc$nam_default, ifc$os_default,
      ifc$change_term_conn_dflt_cmd,
      ifc$change_term_conn_dflt_req,
      ifc$change_term_conn_command, ifc$change_term_conn_request,
      ifc$request_terminal_command, ifc$request_terminal_request,
      ifc$store_term_conn_request);

