682 void    g_clear_object (GObject **object_ptr);
683 #define g_clear_object(object_ptr) g_clear_pointer ((object_ptr), g_object_unref)  argument
721 (g_set_object) (GObject **object_ptr,  in gboolean()
724   GObject *old_object = *object_ptr;  in gboolean()
738   *object_ptr = new_object;  in gboolean()
749 #define g_set_object(object_ptr, new_object) \  argument
751     G_STATIC_ASSERT (sizeof *(object_ptr) == sizeof (new_object)); \
754     _object_ptr.in = (char *) (object_ptr); \
756     (void) (0 ? *(object_ptr) = (new_object), FALSE : FALSE); \
763 #define g_set_object(object_ptr, new_object) \  argument
765   0 ? *(object_ptr) = (new_object), FALSE : \
766   (g_set_object) ((GObject **) (object_ptr), (GObject *) (new_object)) \