+/*
+ * Values for 8-bit-clean flags.
+ */
+#define RCV_B7_0 1 /* have rcvd char with bit 7 = 0 */
+#define RCV_B7_1 2 /* have rcvd char with bit 7 = 1 */
+#define RCV_EVNP 4 /* have rcvd char with even parity */
+#define RCV_ODDP 8 /* have rcvd char with odd parity */
+