ahdi_label
e = ahdi_label(dev, strat, lp, clp);
static int ahdi_label(dev_t, void (*)(struct buf *),
static int ahdi_label(int, uint32_t *, struct disklabel *);
if ((e = ahdi_label(fd, &bbsec, dl)) < 0)
static int ahdi_label PROTO((disk_t *));
e = ahdi_label(dd);