qmerge_io (struct qmerge *qm, iopause_fd *io, struct taia *deadline)
{
    if (qm->state == 0)
    {
        dns_transmit_io (&qm->dt, io, deadline);
        qm->state = 1;
    }
    else
    {
        io->fd = -1;
        io->events = 0;
    }
}
qmerge_io (struct qmerge *qm, iopause_fd *io, struct taia *deadline)
{
    if (qm->state == 0)
    {
        dns_transmit_io (&qm->dt, io, deadline);
        qm->state = 1;
    }
    else
    {
        io->fd = -1;
        io->events = 0;
    }
}