ccb_descr
atio->ccb_h.ccb_descr = targbhallocdescr();
if (atio->ccb_h.ccb_descr == NULL) {
((struct targbh_cmd_desc*)atio->ccb_h.ccb_descr)->atio_link =
((struct targbh_cmd_desc*)atio->ccb_h.ccb_descr)->atio_link;
desc = (struct targbh_cmd_desc *)atio->ccb_h.ccb_descr;
descr = (struct targbh_cmd_desc*)atio->ccb_h.ccb_descr;
desc = (struct targbh_cmd_desc *)atio->ccb_h.ccb_descr;