Function ior

rustcv-camera/src/backend/linux/sys.rs:33–35

(typ: u8, nr: u8)

    (dir << 30) | ((size as u32 & 0x3FFF) << 16) | ((typ as u32) << 8) | (nr as u32)
}
const fn ior<T>(typ: u8, nr: u8) -> u32 {
    ioc(2, typ, nr, mem::size_of::<T>())
}
const fn iow<T>(typ: u8, nr: u8) -> u32 {
    ioc(1, typ, nr, mem::size_of::<T>())
}