/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ enum{	Undef = 0x80000000,	Play = 0,	Record = 1,}; typedef struct Audiocontrol Audiocontrol; struct Audiocontrol {	char	*name;	uchar	readable;	uchar	settable;	uchar	chans;		/* 0 is master, non-zero is bitmap */	long	value[8];	/* 0 is master; value[0] == Undef -> all values Undef */	long	min, max, step;}; extern Audiocontrol controls[2][Ncontrol];extern int endpt[2];extern int interface[2];extern int featureid[2];extern int selectorid[2];extern int mixerid[2];extern int buttonendpt; int	ctlparse(char *s, Audiocontrol *c, long *v);void	ctlevent(void); #pragma	varargck	type	"A"	Audiocontrol*