Int 2F Fn 7A22  C - Novell Netware - Dos Requester - Broadcast/sft3 Infor  [N]

   AX = 7A22h
   DL = function
       21h ('!') broadcast waiting for workstation
       40h ('@') SFT3 server-change inform
   BX = transport type
       0021h IPX
       0022h TCP
   ES:SI -> transport-specific data block
       (ECB for IPX, undefined for TCP)
   interrupts disabled

Return: AX = 0000h if event handled, unchanged if not
   interrupts disabled

Note:  this callback is made from within a hardware interrupt handler; a
     separate call to AX=7A21h is made once the system is in a safe
     state for receiving the message

See Also: AX=7A21h