rdpart
pbn = sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)].p_offset;
'a' + rdpart(bp->b_dev), pbn);
psize = sc->sc_dkdev.dk_label->d_partitions[rdpart(dev)].p_size *
part = rdpart(dev);
part = rdpart(dev);
mask = 1 << rdpart(dev);
pinfo = &sc->sc_dkdev.dk_label->d_partitions[rdpart(bp->b_dev)];
offset = (rdpart(bp->b_dev) == RAW_PART) ? 0 : pinfo->p_offset;
if (rdpart(bp->b_dev) == RAW_PART) {