Function gio_sys::g_bus_watch_name_with_closures

pub unsafe extern fn g_bus_watch_name_with_closures(bus_type: GBusType,
                                                    name: *const c_char,
                                                    flags: GBusNameWatcherFlags,
                                                    name_appeared_closure: *mut GClosure,
                                                    name_vanished_closure: *mut GClosure)
                                                    -> c_uint