INT 21 - LANtastic v4.1+ - SET EXTENDED QUEUE ENTRY
AX = 5FA9h
BX = handle of opened queue entry
DS:SI -> queue entry (see AX=5FA0h)
Return: CF clear if successful
CF set on error
AX = error code
Note:   functions exactly the same as AX=5FA1h except the spooled filename is
also set.  This call supports direct despooling.

See also: 215FA1

215FA9 - LANtastic v4.1+ - SET EXTENDED QUEUE ENTRY