format  Bool STM_IsTrans (StmHn stm)
 Input  stm: Stream handle
 Output  None
 Function value  TRUE: Transfer in progress
  FALSE: When not transferring
 Function Checks whether  is being transferred. 

  format  Bool STM_NwSetExecGrp (StmGrpHn grp)
 Input  grp: Stream group handle
 Output  None
 Function value  TRUE: When processing is accepted
  FALSE: Processing is not accepted
 Function  Specify the stream group that the stream server should execute. It ’s an immediate return
It is necessary to call the server function with  .
 Remarks  (a) After registering the process, it will return immediately.
:  (b) If NULL is specified to use the file system, follow the procedure below to
.  After confirming that Eve is in the paused state, call the GFS function.
 .
 .
:  tsk = STM_NwSetExecGrp (NULL);
 if  if (tsk == FALSE) return;
 do  do {
  stat = STM_ExecServer ();
  user ();
 } while (stat! = STM_EXEC_TSKEND);
 .
 . 

:  (c) If NULL is specified, the stream server will go through STM_EXEC_TSKEND
  STM_EXEC_PAUSE. Server function until STM_EXEC_TSKEND
Keep calling  .
:  (d) When using the file system, specify NULL to stop.
  (e) When the stream group is resumed, it will be read from the stop position.