Int 63 Fn 19  - Bw-tcp - Tcpip.sys - Write To The Network                  [N]

   AH = 19h
   DS:DI -> ???
   ???

Return: BX = number of bytes NOT written
   ???
Range: INT 4D to INT FC, selected by configuration

Note:  calls AH=17h with interrupts disabled and ??? set to 01h

See Also: AH=14h,AH=1Ah,AH=1Bh,INT 61/AH=1Ah"PC/TCP"