vcap_set_bit
vcap_set_bit(stream, itr, (itr->tg->value >> tg_bitpos) & 0x1);
vcap_set_bit(stream, itr, val);
vcap_set_bit(stream, &iter, 0x1);
vcap_set_bit(stream, &iter,
vcap_set_bit(stream, &iter, 1);
vcap_set_bit(stream, &iter, 0);