[Sohcahtoa82]

I'll tell you what happens when someone writes:

      sprintf(buf, "%d %d", f(i), i++);

They get told to rewrite it.

[Koshkin]

Good point, actually. Many cases of undefined behavior are clearly visible to an experienced C programmer when they review someone else’s code.

[pjmlp]

By whom? Most places still don't do proper code reviews or unit testing.