ref: af720a92c15c5754fc0f3df0d1d95ed7cdf61a02
dir: /kern/devaudio.h/
enum
{
Fmono = 1,
Fin = 2,
Fout = 4,
Vaudio = 0,
Vsynth,
Vcd,
Vline,
Vmic,
Vspeaker,
Vtreb,
Vbass,
Vspeed,
Vpcm,
Nvol,
};
void audiodevopen(void);
void audiodevclose(void);
int audiodevread(void*, int);
int audiodevwrite(void*, int);
void audiodevgetvol(int, int*, int*);
void audiodevsetvol(int, int, int);