virtio_chain_data
viorand_rbuf_free(state, virtio_chain_data(vic));
viorand_rdbuf_t *rb = virtio_chain_data(vic);
vio9p_req_t *vnr = virtio_chain_data(vic);
vio9p_req_t *vnr = virtio_chain_data(vic);
vioblk_req_t *vbr = virtio_chain_data(vic);
vioif_rxbuf_t *rb = virtio_chain_data(vic);
VERIFY3P(virtio_chain_data(vic), ==, cb);
vioif_rxbuf_t *rb = virtio_chain_data(vic);
vioif_txbuf_t *tb = virtio_chain_data(vic);
if ((req = virtio_chain_data(vic)) == NULL) {
if ((ve = virtio_chain_data(vic)) == NULL) {
if ((req = virtio_chain_data(vic)) == NULL) {
void *virtio_chain_data(virtio_chain_t *);