binder_transaction_data
struct binder_transaction_data *tr, int reply,
struct binder_transaction_data tr;
struct binder_transaction_data *trd = &tr.transaction_data;
struct binder_transaction_data transaction_data;
struct binder_transaction_data transaction_data;
BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data),
BR_REPLY = _IOR('r', 3, struct binder_transaction_data),
BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data),
BC_REPLY = _IOW('c', 1, struct binder_transaction_data),