Int 61 Fn 19  - PC/tcp Kernel V2.05+ - "net_abort" - Reset A Network Conn  [N]

   AH = 19h
   BX = network descriptor

Return: CF clear if successful
   CF set on error
       AX = error code (see INT 61"PC/TCP")
Desc:  immediately destroys the specified connection

Note:  send a TCP "RST" command if a stream connection is open

See Also: INT 61"PC/TCP",INT 61/AH=00h"PC/TCP",INT 61/AH=24h