sparx5_sdlb_group_get_first
itr = sparx5_sdlb_group_get_first(sparx5, group);
return sparx5_sdlb_group_get_first(sparx5, group) ==
*first = sparx5_sdlb_group_get_first(sparx5, group);
itr = sparx5_sdlb_group_get_first(sparx5, group);
itr = sparx5_sdlb_group_get_first(sparx5, i);
next = sparx5_sdlb_group_get_first(sparx5, group);
return lb == sparx5_sdlb_group_get_first(sparx5, group);