{
{   The purpose  of  this routine is to search a volume list (stt$volume_list)
{ for a particular volume.  This volume list is an array of the type  returned
{ by    the    STP$GET_VOLUMES_IN_SET,   STP$GET_VOLUMES_BY_SET_ORDINAL,   and
{ STP$GET_JOBS_SCRATCH_VOLUMES requests.
{
{       STP$SEARCH_MEMBER_LIST (VOLUME, MEMBER_LIST, NUMBER_OF_MEMBERS,
{         VOLUME_INFO, STATUS)
{
{ VOLUME: (input) This parameter specifies the volume to search for.
{
{ MEMBER_LIST:  (input)  This  parameter specifies the volume_list in which to
{       search.
{
{ NUMBER_OF_MEMBERS: (input) This parameter specifies the number of entries in
{       the volume_list to search.
{
{ VOLUME_INFO:  (output)  This  parameter  returns the entry if the volume was
{       found.
{
{ STATUS: (output) This parameter returns the request status.
{
{       CONDITIONS: ste$vol_not_in_set
{
{       IDENTIFIER: stc$set_management_id
{
