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