IOC_IVAL           68 include/sys/ioctl.h #define	_IOWN(g,n,t)	_IOC((IOC_IVAL|IOC_IN),  (g), (n), sizeof(t))
IOC_IVAL           64 usr/lib/posix/file/ioctl.c 	if ((cmd & IOC_IN && (cmd & IOC_IVAL) == 0 && argp == NULL) ||
IOC_IVAL           74 usr/lib/posix/file/ioctl.c 		if (cmd & IOC_IVAL)