chkrange
if (chkrange(idesc->id_blkno, idesc->id_numfrags)) {
int chkrange(ufs2_daddr_t blk, int cnt);
if (type != BT_INODES && chkrange(blkno, size / sblock.fs_fsize)) {
if (chkrange(blkno, 1)) {
if ((anyout = chkrange(blkno, idesc->id_numfrags)) != 0) {
if (anyout && chkrange(blkno, 1)) {
if (chkrange(blkno, 1))