Int 21 Fn E1  - Novell Netware - Message Services - Check Pipe Status      [N]

   AH = E1h subfn 08h
   DS:SI -> request buffer (see below)
   ES:DI -> reply buffer (see below)

Return: AL = status (see below)

Note:  this function is supported by NetWare 4.0+ and Advanced NetWare 1.0+

See Also: AH=E1h/SF=05h,AH=E1h/SF=06h,AH=E1h/SF=07h

Values for status:
 00h   successful
 FCh   full message queue
 FEh   out of dynamic workspace

Format of request buffer:
Offset Size    Description
 00h   WORD    length of following data (max 66h)
 02h   BYTE    08h (subfunction "Check Pipe Status")
 03h   BYTE    number of pipes to monitor (01h-64h)
 04h  N BYTEs  list of connection numbers

Format of reply buffer:
Offset Size    Description
 00h   WORD    (call) size of following results buffer (max 65h)
 02h   BYTE    number of connections
 03h  N BYTEs  list of pipe statuses
       00h open
       FEh incomplete
       FFh closed