tx_mbox_t
mboxp = (p_tx_mbox_t)KMEM_ZALLOC(sizeof (tx_mbox_t), KM_SLEEP);
KMEM_FREE(tx_mbox_p, sizeof (tx_mbox_t));
tx_mbox_t **mailbox;
tx_mbox_t *mailbox;
KMEM_ZALLOC(sizeof (tx_mbox_t), KM_SLEEP);
KMEM_FREE(tx_mbox_p, sizeof (tx_mbox_t));
tx_mbox_t *mailbox = nxgep->
tx_mbox_t *mailbox;