pub unsafe extern "C" fn rocksdb_backup_engine_options_set_destroy_old_data(
options: *mut rocksdb_backup_engine_options_t,
val: c_uchar
)pub unsafe extern "C" fn rocksdb_backup_engine_options_set_destroy_old_data(
options: *mut rocksdb_backup_engine_options_t,
val: c_uchar
)