This function combines
First the iterator is advanced to the next (possibly first) link.
If that fails, then
false is returned and there are no other effects.
value are set to the name and
of the link that has just been advanced to. At this point,
g_menu_link_iter_get_value() will return the
same values again.
The value returned in
out_link remains valid for as long as the iterator
remains at the current position. The value returned in
be unreffed using
g_object_unref() when it is no longer in use.
the name of the link