Earlier quoted context omitted.
You can learn everything about undefined behavior in 30mins?
It's moot to the aforementioned point. Undefined behavior wasn't introduced as a new language "feature" between C89 and C23; it's existed the whole time. We're talking about specification deltas, not the entire corpus. But, if you want an answer to your question: You can learn to avoid undefined behavior in about 30 seconds . If you're purposefully fiddling with undefined behavior, it's because (ideally) you're A) an…
> You can learn to avoid undefined behavior in about 30 seconds.
Source? I mean, if it's really that simple then someone already compiled that 30 second advice and you can simply link it here for us. Ideally including examples how to actually do signed arithmetic safely. You can't avoid negative numbers lol.