CDIOCALLOW
ncom = CDIOCALLOW;
ncom = SCARG(uap, data) != 0 ? CDIOCPREVENT : CDIOCALLOW;
case CDIOCALLOW:
case CDIOCALLOW:
if (ioctl(fd, CDIOCALLOW) < 0)
if (ioctl(fd, CDIOCALLOW) < 0)
if (ioctl(fd, CDIOCALLOW) < 0)