{
{   The purpose of this request is to retrieve information about the
{ keypoint files associated with this reservation of the keypoint
{ environment. The file_identifier and the PVA of each of the files
{ is retrieved.
{
{   OSP$FETCH_COLLECTION_FILE_INFO (pva_array, file_id_array, number_of_files)
{
{ PVA_ARRAY: (OUTPUT) This parameter returns the PVA associated with each of the
{                     keypoint files. There must be one keypoint file for each
{                     processor on which keypoints are active.
{
{ FILE_ID_ARRAY: (OUTPUT) This parameter returns the file_identifier associated
{                     with each of the keypoint files.
{
{ NUMBER_OF_FILES: (OUTPUT) This parameter returns the number of keypoint files
{{                     associated with this reservation of the keypoint environment.
{
