pub unsafe extern "C" fn rocksdb_options_set_compression_per_level(
opt: *mut rocksdb_options_t,
level_values: *const c_int,
num_levels: usize,
)
pub unsafe extern "C" fn rocksdb_options_set_compression_per_level(
opt: *mut rocksdb_options_t,
level_values: *const c_int,
num_levels: usize,
)