damap_id_ref
ASSERT(damap_id_ref(tgtdam, tgtid) == 2);
context, tgtid, damap_id_ref(tgtdam, tgtid)));
context, tgtid, damap_id_ref(tgtdam, tgtid)));
ASSERT(damap_id_ref(tgtdam, tgtid) == 3);
damap_name(lundam), tgtid, damap_id_ref(tgtdam, tgtid)));
int damap_id_ref(damap_t *, damap_id_t);