Int 17 Fn 0B00  - Dosisode To Wattcp Tsr Interface - "ioctl"               [N]

   AX = 0B00h
   DX = local identifier of socket (0 - 31)

Note:  this function sets the socket into non_block mode

See Also: AX=0A00h"DOSISODE",AX=0C00h"DOSISODE",AX=0E00h"DOSISODE"