tag	line	file	source code
IOC_INOUT	172	drivers/sound/soundcard.c	if (cmd & IOC_INOUT)
IOC_INOUT	107	include/linux/soundcard.h	#define  _IOWR(x,y,t)  ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))