RIEBL_RES_END
WITHIN(sc->sc_rbufaddr[i], LEBLEN, RIEBL_RES_END)) {
offset = RIEBL_RES_END - sc->sc_rbufaddr[i];
WITHIN(sc->sc_tbufaddr[i], LEBLEN, RIEBL_RES_END)) {
offset = RIEBL_RES_END - sc->sc_tbufaddr[i];