_, err = ioctlPtrRet(fd, req, arg)
	return err
}

func IoctlSetTermio(fd int, req int, value *Termio) error {
	return ioctlPtr(fd, req, unsafe.Pointer(value))
}

func IoctlGetTermio(fd int, req int) (*Termio, error) {
	var value Termio
	err := ioctlPtr(fd, req, unsafe.Pointer(&value))
	return &value, err
}

//sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)