cf_id

    OpenVMS usage:identifier
    type:         longword integer (unsigned)
    access:       write only
    mechanism:    by reference
    Address of a longword that NCS uses to identify a conversion
    function.

    The cf_id argument is required.

 length

    OpenVMS usage:longword_unsigned
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Longword that the calling program uses to indicate the length of
    the conversion function being restored.

 address

    OpenVMS usage:longword_unsigned
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Longword that the calling program uses as a pointer to the
    conversion function being restored.