Symbol: CDIOCGETVOL
sys/compat/linux/common/linux_cdrom.c
238
error = ioctlf(fp, CDIOCGETVOL, &t_vol);
sys/dev/isa/mcd.c
685
case CDIOCGETVOL:
sys/dev/scsipi/cd.c
1331
case CDIOCGETVOL: {
usr.bin/cdplay/cdplay.c
1023
if (ioctl(fd, CDIOCGETVOL, &v) >= 0) {