ohash_insert
ohash_insert(&mchars, slot, lines + i);
void *ohash_insert(struct ohash *, unsigned int, void *);
ohash_insert(macro, slot, entry);
ohash_insert(&id_unique, slot, entry);
ohash_insert(xr_hash, slot, xr);
ohash_insert(&mlinks, slot, mlink);
ohash_insert(&mpages, slot, mpage);
ohash_insert(htab, slot, s);
ohash_insert(htab, slot, rp);
ohash_insert(hand, ohash_lookup_memory(hand,
ohash_insert(htab, slot2, res);
ohash_insert(htab, slot, req);
ohash_insert(&tag_data, slot, entry);