tag	line	file	source code
_IOW	48	include/asm-alpha/ioctl.h	#define _IOW(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
_IOW	58	include/asm-i386/ioctl.h	#define _IOW(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
_IOW	64	include/asm-mips/ioctl.h	#define _IOW(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
_IOW	43	include/asm-ppc/ioctl.h	#define _IOW(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
_IOW	35	include/asm-sparc/ioctl.h	#define _IOW(type,nr,size)  _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
_IOW	105	include/linux/soundcard.h	#define  _IOW(x,y,t)  ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))