Function exonum_librocksdb_sys::rocksdb_transactiondb_get

pub unsafe extern "C" fn rocksdb_transactiondb_get(
    txn_db: *mut rocksdb_transactiondb_t, 
    options: *const rocksdb_readoptions_t, 
    key: *const c_char, 
    keylen: size_t, 
    vallen: *mut size_t, 
    errptr: *mut *mut c_char
) -> *mut c_char