{
{   The purpose of  this request is to return the size of the permanent file
{ root for the requested set.
{
{       STP$GET_PF_ROOT_SIZE (SET_NAME, PF_ROOT_SIZE, STATUS)
{
{ SET_NAME: (input) This parameter specifies the name of the set for which
{       the permanent file root size is desired.
{
{ PF_ROOT_SIZE: (output) This parameter returns the size, in bytes, of the
{       permanent file root.
{
{ STATUS: (output) This parameter returns the request status.
{
{        CONDITIONS: ste$set_not_active
{                    ste$master_not_active
{                    ste$pf_root_not_stored
{                    ste$not_allowing_access
{                    ose$job_pageable_full
{
{        IDENTIFIER: stc$set_management_id
{
