pub type tls_session_secret_cb_fn = Option<unsafe extern "C" fn(*mut SSL, *mut c_void, *mut c_int, *mut stack_st_SSL_CIPHER, *mut *mut SSL_CIPHER, *mut c_void) -> c_int>;Aliased Type§
enum tls_session_secret_cb_fn {
    None,
    Some(unsafe extern "C" fn(*mut SSL, *mut c_void, *mut i32, *mut stack_st_SSL_CIPHER, *mut *mut SSL_CIPHER, *mut c_void) -> i32),
}