pub unsafe extern "C" fn dbus_pending_call_set_notify(
pending: *mut DBusPendingCall,
n: DBusPendingCallNotifyFunction,
user_data: *mut c_void,
free_user_data: DBusFreeFunction,
) -> u32pub unsafe extern "C" fn dbus_pending_call_set_notify(
pending: *mut DBusPendingCall,
n: DBusPendingCallNotifyFunction,
user_data: *mut c_void,
free_user_data: DBusFreeFunction,
) -> u32