Int 21 Fn FFCC  - Topware Network OS V5.10+ - Get Print Server's Spooling  [N]

   AX = FFCCh
   CL = printer server station address
   BH = start item number of spooling file for print server
   BL = number of the item to be retrieved
   DS:DX -> buffer for queued file information (see below)

Return: AL = status
       00h successful
       AH = number of spool files
       DS:DX buffer filled
       nonzero failed

Format of queued file information buffer [16-item array, one element]:
Offset Size    Description
 00h 12 BYTEs  filename
 0Ch   DWORD   size
 10h   WORD    date
 12h   WORD    time
 14h 15 BYTEs  username
 23h   BYTE    count
 24h   BYTE    flag: header
 25h   BYTE    print number