LABELOFFSET32
(boot + (LABELSECTOR32 * dp->d_secsize) + LABELOFFSET32);
dl = (void *)(buf + LABELOFFSET32);
d = (void *)(sec + LABELOFFSET32);
DEBUG("copy %d bytes of label from %p to %p", sizeof(struct disklabel32), buf + LABELOFFSET32, &od->od_disklabel);
bcopy(buf + LABELOFFSET32, &od->od_disklabel, sizeof(struct disklabel32));