>These used to be necessary but now that NULL is (void *)0 they >aren't. > >I'd be inclined to keep them anyway - with the cast it is clearly not a >bug, without is not so clear. There are also loads of them and it'd be a >lot of churn to fix them all, for no real advantage. But I don't feel >strongly about it, others may disagree.
It is neccesary for portable code. The discussion goes a bit like this: 1. It is not needed here. 2. It is not needed in src/bin 3. It is not needed in usr.bin 4. Oh look, we deleted it out of sshd... Seems risky.
