ilb_walk_servergroups
rclib = ilb_walk_servergroups(h, ilbadm_list_sg, NULL,
rclib = ilb_walk_servergroups(h, ilbadm_list_sg,
rclib = ilb_walk_servergroups(h, ilbadm_export_sg, NULL, (void *)&arg);
rc = ilb_walk_servergroups(h, i_drop_sg, NULL, NULL);
ilb_status_t ilb_walk_servergroups(ilb_handle_t, sg_walkerfunc_t,