G_BEGIN_DECLS
-void g_source_set_closure (GSource *source,
- GClosure *closure);
+void g_source_set_closure (GSource *source,
+ GClosure *closure);
+
+void g_source_set_dummy_callback (GSource *source);
GType g_io_channel_get_type (void);
GType g_io_condition_get_type (void);