signal_unc = ioctl(fe, FE_READ_UNCORRECTED_BLOCKS, &errs) ? -1 : errs;
if( signal_lck && signal_ber >= 0 && signal_ber < 255 ) locked = 1;
if( dvb_locked != locked ) {
signal_unc = ioctl(fe, FE_READ_UNCORRECTED_BLOCKS, &errs) ? -1 : errs;
if( signal_lck && signal_ber >= 0 && signal_ber < 255 ) locked = 1;
if( dvb_locked != locked ) {