return region_attach_helper((WRegion*) ws, par, &fp,
(WRegionDoAttachFn*)group_do_attach_final,
/*(const WRegionAttachParams*)*/param, data);
return region_attach_helper((WRegion*) ws, par, &fp,
(WRegionDoAttachFn*)group_do_attach_final,
/*(const WRegionAttachParams*)*/param, data);