object-id

    OpenVMS usage identifier
    type          longword (unsigned)
    access        modify
    mechanism     by reference
    Object identifier to be returned. The object-id argument is the
    address of an unsigned longword that receives the associated
    identifier.

 object-name

    OpenVMS usage char_string
    type          character string
    access        read only
    mechanism     by descriptor
    Name of the object for which to return the associated identifier.
    The object-name argument is the address of a descriptor pointing
    to a character string containing the (user-defined) name of the
    object.