CLPSCOM_READ_FLG
sysflg = CLPSCOM_READ_FLG(sc);
sysflg = CLPSCOM_READ_FLG(sc);
sysflg = CLPSCOM_READ_FLG(sc);
ms = CLPSCOM_READ_FLG(sc) & CLPSCOM_MODEM_STATUS_MASK;
sc->sc_ms = CLPSCOM_READ_FLG(sc) & CLPSCOM_MODEM_STATUS_MASK;
while ((CLPSCOM_READ_FLG(sc) & SYSFLG_URXFE) == 0