lifvol
lvp = (struct lifvol *)bp->b_data;
struct lifvol *lvp;
#define LIF_VOLSIZE sizeof(struct lifvol)
struct lifvol *f_lp; /* lif volume header pointer */
} else if ((fp->f_lp = (struct lifvol *)fp->f_buf)->vol_id == LIF_VOL_ID) {
struct lifvol *lifv = (struct lifvol *)buf;