PTROUT
page_req32->buf = PTROUT(page_req->buf);
ext_page_req32->buf = PTROUT(ext_page_req->buf);
raid_act32->buf = PTROUT(raid_act->buf);
do { (dst).fld = PTROUT((src).fld); } while (0)
do { (dst).fld = PTROUT((src).fld); } while (0)