filetype, err := fd_fdstat_get_type(f.PollFD().Sysfd)
	if err != nil {
		return nil, err
	}
	net, err := fileListenNet(filetype)
	if err != nil {
		return nil, err
	}
	pfd := f.PollFD().Copy()
	fd := newPollFD(net, pfd)
	if err := fd.init(); err != nil {
		pfd.Close()
		return nil, err
	}
	return newFileListener(fd), nil
}

func fileConn(f *os.File) (Conn, error) {

	// the remainder of the netFD calls to fakeNetFD.
	*fakeNetFD
}

func newFD(net string, sysfd int) *netFD {
	return newPollFD(net, poll.FD{
		Sysfd:         sysfd,
		IsStream:      true,
		ZeroReadIsEOF: true,
	})
}

func newPollFD(net string, pfd poll.FD) *netFD {
	var laddr Addr
	var raddr Addr
	// WASI preview 1 does not have functions like getsockname/getpeername,