Symbol: CDIOCSETVOL
sys/bus/cam/scsi/scsi_cd.c
2486
case CDIOCSETVOL:
sys/dev/disk/nata/atapi-cd.c
608
case CDIOCSETVOL:
usr.sbin/cdcontrol/cdcontrol.c
1072
return ioctl (fd, CDIOCSETVOL, &v);