pub unsafe extern "C" fn rocksdb_transaction_rollback_to_savepoint(
txn: *mut rocksdb_transaction_t,
errptr: *mut *mut c_char,
)
pub unsafe extern "C" fn rocksdb_transaction_rollback_to_savepoint(
txn: *mut rocksdb_transaction_t,
errptr: *mut *mut c_char,
)