Int 7A  - Novell Netware - Ipx Driver - Close Socket                       [N]

   BX = 0001h
   DX = socket number (high byte in DL) (see #3480)

Notes: also cancels events set by any Event Control Blocks for the socket
   the program must close all open sockets before terminating
   this function is supported by Advanced NetWare 1.02+

See Also: BX=0000h