TAILQ_CONCAT
TAILQ_CONCAT(preferred, &agent, next);
TAILQ_CONCAT(preferred, &files, next);
TAILQ_CONCAT(&queue, &cam_simq, links);
TAILQ_CONCAT(&pool->list, &new_pages, pageq);
TAILQ_CONCAT(&pool->list, &new_pages, pageq);
TAILQ_CONCAT(pages, &pool->list, pageq);
TAILQ_CONCAT(&dst->axq_q, &src->axq_q, bf_list);
TAILQ_CONCAT(&cabq->fifo.axq_q, &cabq->axq_q, bf_list);
TAILQ_CONCAT(&rxlist, &sc->sc_rx_rxlist[qtype], bf_list);
TAILQ_CONCAT(&queue, &sc->mfi_evt_queue, link);
TAILQ_CONCAT(&pmp->syncq, &depend->sideq, entry);
TAILQ_CONCAT(&pmp->syncq, &depend->sideq, entry);