ffs2_blkpref
error = ffs_realloccg(ip, nb, ffs2_blkpref(ip,
ffs2_blkpref(ip, lbn, (int) lbn,
error = ffs_alloc(ip, lbn, ffs2_blkpref(ip, lbn,
pref = ffs2_blkpref(ip, lbn, -indirs[0].in_off - 1, NULL);
pref = ffs2_blkpref(ip, lbn, i - num - 1, NULL);
pref = ffs2_blkpref(ip, lbn, indirs[num].in_off, &bap[0]);
int64_t ffs2_blkpref(struct inode *, daddr_t, int, int64_t *);