{
{   The purpose of this request is to furnish device management with the names
{ of the volumes on the scratch set (or sets) for the requested job.
{ Device management must be running on behalf of the desired job.
{
{       STP$GET_ACTIVE_VOLUME_LIST (VOLUME_LIST,
{         ACTUAL_NUMBER_OF_VOLUMES, STATUS)
{
{ VOLUME_LIST: (output) This parameter returns the names of all active volume
{       in all active sets.
{       IF status.NORMAL THEN
{         IF actual_number_of_volumes = UPPERBOUND (volume_list) THEN
{           All volumes have been goten.
{         IF actual_number_of_volumes < UPPERBOUND (volume_list) THEN
{           Only the actual number of volumes are stored in the lower portion
{           of the array.  All other array entries are undefined.
{         IF actual_number_of_volumes > UPPERBOUND (volume_list) THEN
{           The given array is filled with volumes, but is not big enough
{           to hold all the volumes.
{           There are (actual_number_of_volumes - UPPERBOUND
{           (volume_list)) additional volumes.
{       IF NOT status.NORMAL THEN this parameter is undefined.
{
{ ACTUAL_NUMBER_OF_VOLUMES: (output) This parameter returns the actual number
{       number of volumes that the job can use as scratch volumes.
{
{ STATUS: (output) This parameter returns the request status.
{
{        CONDITIONS: ste$push_failed
{                    ste$no_scratch_volumes
{
{        IDENTIFIER: stc$set_management_id
{
