pub type UA_ClientAsyncCallCallback = Option<unsafe extern "C" fn(client: *mut UA_Client, userdata: *mut c_void, requestId: UA_UInt32, cr: *mut UA_CallResponse)>;Aliased Type§
enum UA_ClientAsyncCallCallback {
None,
Some(unsafe extern "C" fn(*mut UA_Client, *mut c_void, u32, *mut UA_CallResponse)),
}