C_RS_CTS          440 dev/pci/cz.c   		CZTTY_CHAN_WRITE(sc, CHNCTL_HW_FLOW, C_RS_CTS | C_RS_RTS);
C_RS_CTS         1311 dev/pci/cz.c   	if (ISSET(rs_status, C_RS_CTS))
C_RS_CTS         1411 dev/pci/cz.c   		sc->sc_chanctl_hw_flow = C_RS_CTS | C_RS_RTS;