LPFN_RIOSENDEX

type LPFN_RIOSENDEX = function(

  SocketQueue: RIO_RQ;

  pData: PRIO_BUF;

  const DataBufferCount: ULONG;

  pLocalAddress: PRIO_BUF;

  pRemoteAddress: PRIO_BUF;

  pControlContext: PRIO_BUF;

  pFlags: PRIO_BUF;

  const Flags: DWORD;

  RequestContext: PVOID

):Boolean;