{    The purpose of this request is to change the input attributes of the
{ specified file.  This routine functions as a co-routine with the
{ jmp$change_input_attributes request.  This request is called by the
{ jmp$general_purpose_cluster_rpc request.
{
{       JMP$MAINFRAME_CHANGE_INPUT_ATTR (TARGET_OPTIONS_P,
{             DATA_AREA_P, NUMBER_OF_DATA_PACKETS, STATUS);
{
{ TARGET_OPTIONS_P: (input)  A pointer to a sequence that contains the caller
{       information and options about what file and attributes are to be
{       changed.
{
{ DATA_AREA_P: (input, output)  NO data is returned.
{
{ NUMBER_OF_DATA_PACKETS: (output)  This indicates the number of data packets
{       in the data_area_p sequence.  This value will be zero since no data
{       packets are returned by this request.
{
{ STATUS: (output) This is the status of the request.
{       CONDITIONS:
{             jme$job_class_does_not_exist
{             jme$scheduling_profile_changed
