{
{   The purpose  of  this  request is to translate a pointer to the member vsn
{ list (of the master volume set table) into a locator.  This locator does not
{ include  the segment number and cannot be referenced directly.  This locator
{ may be used later to construct a pointer to the  member  list  that  can  be
{ referenced.   Thus  if a volume set table is opened, closed, and then opened
{ again it will have a different segment number, and if  the  pointer  to  the
{ member  list was stored it would have the wrong segment number and could not
{ be referenced.
{
{       STP$BUILD_MEMBER_LIST_LOCATOR (P_MEMBER_LIST, P_VOL_SET_TABLE,
{         MEMBER_LIST_LOCATOR)
{
{ P_MEMBER_LIST: (input) This parameter specifies the pointer  to  the  member
{       vsn list.  This value may be NIL.
{
{ P_VOL_SET_TABLE: (input) This parameter specifies the pointer to the
{      volume set table in which the member list was allocated in.
{
{ MEMBER_LIST_LOCATOR:  (output)  This  parameter  returns  the locator to the
{       member vsn list.  This locator  can  be  used  later  to  construct  a
{       pointer using the stp$build_member_list_pointer request.
{
