ubsa_request
ubsa_request(sc, portno, UBSA_SET_DTR, onoff ? 1 : 0);
ubsa_request(sc, portno, UBSA_SET_RTS, onoff ? 1 : 0);
ubsa_request(sc, portno, UBSA_QUADUMTS_SET_PIN,
ubsa_request(sc, portno, UBSA_QUADUMTS_SET_PIN,
ubsa_request(sc, portno, UBSA_SET_BREAK, onoff ? 1 : 0);
ubsa_request(sc, portno, UBSA_SET_BAUDRATE, value);
ubsa_request(sc, portno, UBSA_SET_PARITY, value);
ubsa_request(sc, portno, UBSA_SET_DATA_BITS, value);
ubsa_request(sc, portno, UBSA_SET_STOP_BITS, value);
ubsa_request(sc, portno, UBSA_SET_FLOW_CTRL, value);
int ubsa_request(struct ubsa_softc *, int, uint8_t, uint16_t);