pub type UA_Server_EventNotificationCallback = Option<unsafe extern "C" fn(server: *mut UA_Server, monId: UA_UInt32, monContext: *mut c_void, nEventFields: usize, eventFields: *const UA_Variant)>;Aliased Type§
enum UA_Server_EventNotificationCallback {
None,
Some(unsafe extern "C" fn(*mut UA_Server, u32, *mut c_void, usize, *const UA_Variant)),
}