pub unsafe extern "C" fn rocksdb_writebatch_putv(
b: *mut rocksdb_writebatch_t,
num_keys: c_int,
keys_list: *const *const c_char,
keys_list_sizes: *const usize,
num_values: c_int,
values_list: *const *const c_char,
values_list_sizes: *const usize,
)