vol.channel2 = vol.channel3 = 0;
if (ioctl (cdfile, CDROMVOLCTRL, &vol) == -1)
vol.channel2 = vol.channel3 = 0;
if (ioctl (cdfile, CDROMVOLCTRL, &vol) == -1)
entry.cdte_format = CDROM_MSF;
if (ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1)
{
entry.cdte_format = CDROM_MSF;
if (ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1)
{
subchnl.cdsc_format = CDROM_MSF;
if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
{
subchnl.cdsc_format = CDROM_MSF;
if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1)
{