*what you wrote may actually be a valid operation if the OS maps critical functi... | Hacker News

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		jrockway on Jan 16, 2010 \| parent \| context \| favorite \| on: A Simply Neat Example of Function Pointers in C what you wrote may actually be a valid operation if the OS maps critical functions into page 0 Then you'd better not call it NULL. "0 and NULL are the same" was how I first got root on my phone ;)

coliveira on Jan 16, 2010 [–]

In C++ 0 and NULL are the same by definition. Just look at Stroustrup's C++ Style and Technique FAQ.

Imprecate on Jan 16, 2010 | [–]

Assigning the value 0 or NULL to a pointer does not necessarily set it to address 0.

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