This is completely unnecessary. Just use a goto statement with labels. The whole point of C is that it's a simple language, and adding more complexity like 'def

This is completely unnecessary. Just use a goto statement with labels. The whole point of C is that it's a simple language, and adding more complexity like 'defer' just makes it harder to understand. This proposal is just making C more like those bloated modern languages. If you need fancy features like this, use Rust instead.