ioctl

ioctl::ioc! [−] [src]

macro_rules! ioc {
    ($dir:expr, $ty:expr, $nr:expr, $sz:expr) => (
        (($dir as u32) << $crate::DIRSHIFT) |
        (($ty as u32) << $crate::TYPESHIFT) |
        (($nr as u32) << $crate::NRSHIFT) |
        (($sz as u32) << $crate::SIZESHIFT))
}

Encode an ioctl command.