syslog(LOG_ERR, "can't fork.");

                  closelog();

                  exit(1);

          default: /* Parent */

                  closelog();

                  exit(0);

    }

    /* Restart syslog. */

    openlog("powerd", LOG_CONS, LOG_DAEMON);

    /* Now sample the DCD line. */

    while(1) {

        tcflush (fd, TCIFLUSH);

        ret = write(fd, &req_01, 1);

        if (ret <= 0 ) {

            sleep(10);

            continue;

        }

        sleep(1);

        counter = 0;

        while (counter < NUMRECEIVEDBYTES) {

            ret = read(fd, &in, 1);

            if (ret <= 0) {

                status = -1;

                break;

            }

#ifdef DEBUG

            syslog(LOG_DEBUG, "in%d = 0x%x ", counter, in);

#endif

            buf[counter] = in;

            counter++;

        }

  if ((buf[5] != 0) || (buf[7] != 0) || (buf[8] != 0)) {

    /* looks like a transfer error in serial data communication */

    syslog (LOG_WARNING, "Serial data from ups was invalid!");

            sleep(10);

            continue;

        }

        if (buf[10] & BATT_BAD) {

            syslog (LOG_WARNING, "UPS`s battery is bad!");