{
{   This request provides an interface through which other areas of the system
{ can access certain information which is maintained in device management
{ tables.
{
{       DMP$FETCH_SEGMENT_FILE_INFO (SYSTEM_FILE_ID, INFO, STATUS)
{
{ SYSTEM_FILE_ID: This parameter is device management's principal identifier
{       of a file.
{
{ INFO: This parameter is a record
{   ASID: This specifies the asid as found in the fde.
{   END_OF_CHAPTER: This is the byte address of the end of chapter.
{   PRESET_VALUE: This is the word with which a file is initialized.
{   CLEAR_SPACE: This field indicates whether freed space is to be cleared.
{   CHAPTER_LIMIT: This is the maximum allowable length of the chapter.
{   SEGMENT_QUEUE_STATUS: This defines which queue the file is assigned to.
{
{ STATUS: This parameter indicates the status of the request.
{
