HKEY
key = HKEY(value, h->initval, t->htable_bits);
key = HKEY(d, h->initval, t->htable_bits);
key = HKEY(d, h->initval, t->htable_bits);
key = HKEY(data, h->initval, htable_bits);
key = HKEY(value, h->initval, t->htable_bits);