{
{   This request closes a file that has been used for command processing and
{ deletes its input block.
{
{       CLP$POP_INPUT (READ_ONLY, INPUT_BLOCK_HANDLE, FILE_ID,
{         OPENED_EXECUTABLE_FILE, TERMINATION_STATUS, STATUS)
{
{ READ_ONLY: (input)  This parameter specifies whether the input block was
{       created only for reading data (TRUE) or for command processing (FALSE).
{
{ INPUT_BLOCK_HANDLE: (input)  This parameter specifies the input block to be
{       deleted, if necessary.
{
{ FILE_ID: (input)  This parameter specifies the file_identifier if the file
{       was opened.
{
{ OPENED_EXECUTABLE_FILE: (input)  This parameter specifies whether the file
{       was opened for EXECUTEable access.
{
{ TERMINATION_STATUS: (input)  This parameter specifies the termination status
{       of processing the input in the block (ignored if READ_ONLY is TRUE).
{
{ STATUS: (output)  This parameter specifies the request status.
{
