from_union_to_cidr
from_union_to_cidr(so_pref), l->binding);
from_union_to_cidr(&(l->so_pref)));
from_union_to_cidr(&(l->so_pref)),
prefixlen = from_union_to_cidr(&lab->so_pref);
su->sa.sa_len = 4 + from_union_to_cidr(su) / 8 +
( from_union_to_cidr(su) % 8 ? 1 : 0 );
prefixlen = from_union_to_cidr(so_pref);
uint8_t from_union_to_cidr(const union sockunion *);
from_union_to_cidr(&l->so_pref), l->binding, NULL);