taglinefilesource code
IOC_INOUT62include/asm-alpha/ioctl.h#define IOC_INOUT  ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
IOC_INOUT71include/asm-i386/ioctl.h#define IOC_INOUT  ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
IOC_INOUT77include/asm-mips/ioctl.h#define IOC_INOUT  ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
IOC_INOUT80include/linux/soundcard.h#define  IOC_INOUT  (IOC_IN|IOC_OUT)