To be fair that particular example isn't as terrible as it looks because that's (generally) the intended behavior. But yeah, this is the type of arcane bullshit

To be fair that particular example isn't as terrible as it looks because that's (generally) the intended behavior. But yeah, this is the type of arcane bullshit that comes up all the times in system-level C programming. C is a great language, but the environment you find yourself programming in is layers upon layers of barely intelligible nonsense that nobody needs nor wants.