umowner_t
umowner_t *umu_hash; /* Hash table of owners */
umowner_t *umo, *umoend;
size_t umowner_size = sizeof (umowner_t);
const umowner_t *lhs = lp;
const umowner_t *rhs = rp;
umowner_t *umo, *umoend;
qsort(umu.umu_hash, umu.umu_nelems, sizeof (umowner_t), umownercmp);