tag	line	file	source code
IOCPARM_MASK	33	include/linux/ioctl.h	#define IOCBASECMD(cmd)  ((cmd) & ~IOCPARM_MASK)
IOCPARM_MASK	100	include/linux/soundcard.h	#define  _IOR(x,y,t)  ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
IOCPARM_MASK	101	include/linux/soundcard.h	#define  _IOW(x,y,t)  ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
IOCPARM_MASK	103	include/linux/soundcard.h	#define  _IOWR(x,y,t)  ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))