LBR$_ILLINROU Input routine improperly specified or omitted.
LBR$_ILLOUTROU Output routine improperly specified or
omitted.
LBR$_NOHLPLIS Error. No default help libraries can be
opened.
LBR$_TOOMNYARG Error. Too many arguments were specified.
LBR$_USRINPERR Error. An error status was returned by the
user-supplied input routine.