//sys	WSAGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult

func loadWSASendRecvMsg() error {
	sendRecvMsgFunc.once.Do(func() {
		var s syscall.Handle

	procGetProfilesDirectoryW             = moduserenv.NewProc("GetProfilesDirectoryW")
	procWSAGetOverlappedResult            = modws2_32.NewProc("WSAGetOverlappedResult")
	procWSASocketW                        = modws2_32.NewProc("WSASocketW")
)

		err = nil
	default:
		return 0, err
	}
	// Wait for our request to complete.
	err = fd.pd.wait(int(o.mode), fd.isFile)
	if err == nil {
		err = windows.WSAGetOverlappedResult(fd.Sysfd, &o.o, &o.qty, false, &o.flags)
		// All is good. Extract our IO results and return.
		if err != nil {
			// More data available. Return back the size of received data.

//sys	WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW
//sys	WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult

	procWSAEnumProtocolsW                                    = modws2_32.NewProc("WSAEnumProtocolsW")
	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
	procWSAIoctl                                             = modws2_32.NewProc("WSAIoctl")
	procWSALookupServiceBeginW                               = modws2_32.NewProc("WSALookupServiceBeginW")