getasciilabel
int getasciilabel(FILE *, struct disklabel32 *);
if (!getasciilabel(t, &lab))
if (getasciilabel(fp, &label)) {
static int getasciilabel(FILE *, struct disklabel64 *);
if (!getasciilabel(t, &lab))
if (getasciilabel(fp, &label)) {