Function boring_sys::SSL_ECH_KEYS_add

pub unsafe extern "C" fn SSL_ECH_KEYS_add(
    keys: *mut SSL_ECH_KEYS,
    is_retry_config: c_int,
    ech_config: *const u8,
    ech_config_len: usize,
    key: *const EVP_HPKE_KEY
) -> c_int