pub unsafe extern "C" fn s2n_config_set_cert_tiebreak_callback(
config: *mut s2n_config,
cert_tiebreak_cb: s2n_cert_tiebreak_callback
) -> c_int
pub unsafe extern "C" fn s2n_config_set_cert_tiebreak_callback(
config: *mut s2n_config,
cert_tiebreak_cb: s2n_cert_tiebreak_callback
) -> c_int