enum{	Fmono		= 1,	Fin		= 2,	Fout		= 4, 	Vaudio		= 0,	Vpcm,	Vsynth,	Vcd,	Vline,	Vmic,	Vspeaker,	Vtreb,	Vbass,	Vspeed,	Nvol,		MaxAudio = 4,}; void	audiodevopen(int);void	audiodevclose(int);int	audiodevread(int, void*, int);int	audiodevwrite(int, void*, int);void	audiodevgetvol(int, int, int*, int*);void	audiodevsetvol(int, int, int, int);