lpfn_WSAIOCTL = function ( const s : TSocket; dwIoControlCode : DWORD; lpvInBuffer : Pointer; cbInBuffer : DWORD; lpvOutBuffer : Pointer; cbOutBuffer : DWORD; lpcbBytesReturned : LPDWORD; lpOverlapped : LPwsaoverlapped; lpCompletionRoutine : LPwsaoverlapped_COMPLETION_ROUTINE ) : Integer;

The text for this type has been generated automatically. This means that it is not documented.