AIOC
#define AUDIO_GET_CH_NUMBER (AIOC|10)
#define AUDIO_GET_CH_TYPE (AIOC|11)
#define AUDIO_GET_NUM_CHS (AIOC|12)
#define AUDIO_GET_AD_DEV (AIOC|13)
#define AUDIO_GET_APM_DEV (AIOC|14)
#define AUDIO_GET_AS_DEV (AIOC|15)
#define AIOCINTTYPE (AIOC|60) /* set interrupt type */
#define AIOCDOSMODE (AIOC|61) /* set DOS mode */
#define AIOCNONDOSMODE (AIOC|62) /* reset DOS mode */
#define AIOCSERIALOUT (AIOC|63) /* serial device data write */
#define AIOCSERIALIN (AIOC|64) /* serial device data read */
#define AIOCSETSS (AIOC|65) /* set start/stop chars */
#define AIOCINFO (AIOC|66) /* tell usr what device we are */