pub unsafe extern "C" fn rocksdb_backupable_db_options_set_env(
options: *mut rocksdb_backupable_db_options_t,
env: *mut rocksdb_env_t
)
pub unsafe extern "C" fn rocksdb_backupable_db_options_set_env(
options: *mut rocksdb_backupable_db_options_t,
env: *mut rocksdb_env_t
)