condition-value
    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    OpenVMS 32-bit condition value. The condition-value argument is
    an unsigned longword that contains this condition value.
    The HP OpenVMS Programming Concepts Manual explains the format of
    a condition value.
 number-of-arguments
    OpenVMS usage:longword_signed
    type:         longword integer (signed)
    access:       read only
    mechanism:    by value
    Number of FAO arguments associated with condition-value. The
    optional number-of-arguments argument is a signed longword
    integer that contains this number. If omitted or specified as
    zero, no FAO arguments follow.
 FAO-argument
    OpenVMS usage:varying_arg
    type:         unspecified
    access:       read only
    mechanism:    by value
    Optional FAO (formatted ASCII output) argument that is associated
    with the specified condition value.
    The HP OpenVMS Programming Concepts Manual explains the message
    format.