virtio_chain_clear
virtio_chain_clear(rb->rb_chain);
virtio_chain_clear(vbr->vbr_chain);
virtio_chain_clear(tb->tb_chain);
virtio_chain_clear(rb->rb_chain);
virtio_chain_clear(cb->cb_chain);
virtio_chain_clear(req->vr_vic);
virtio_chain_clear(req.vr_vic);
virtio_chain_clear(req.vr_vic);
virtio_chain_clear(req.vr_vic);
virtio_chain_clear(vic);
virtio_chain_clear(vic);
virtio_chain_clear(vic);
virtio_chain_clear(vic);
void virtio_chain_clear(virtio_chain_t *);
virtio_chain_clear(vic);