Symbol: CDIOCPLAYBLOCKS
sys/bus/cam/scsi/scsi_cd.c
2099
case CDIOCPLAYBLOCKS:
sys/dev/disk/nata/atapi-cd.c
556
case CDIOCPLAYBLOCKS:
usr.sbin/cdcontrol/cdcontrol.c
1059
return ioctl (fd, CDIOCPLAYBLOCKS, &t);