Function librocksdb_sys::rocksdb_backup_engine_open_opts

pub unsafe extern "C" fn rocksdb_backup_engine_open_opts(
    options: *const rocksdb_backupable_db_options_t, 
    env: *mut rocksdb_env_t, 
    errptr: *mut *mut c_char
) -> *mut rocksdb_backup_engine_t