{
{  The purpose of this request is to position a binary type file to a
{        specified "file cell address".
{
{
{        CYP$POSITION_BINARY_AT_KEY (BINARY_FILE, FILE_KEY, STATUS)
{
{
{  BINARY_FILE: (input) This parameter names the binary file to be read.
{
{  FILE_KEY: (input) This parameter specifies the "file cell address" to which
{        the file is to be positioned.
{
{  STATUS: (output) This parameter specifies the request status.
{        CONDITIONS:
{              cye$file_not_open
{              cye$illegal_operation
{              cye$key_past_eoi
{
