> Does C++ check whether a pointer you're deferencing is zero? Or will it 
> just segfault?

In practice it segfaults. Any time you think there's even a chance of this 
happening, do

assert( ptr );

to catch it ahead of time. (This will assert that it is not 0, or NULL). 
You'll save yourself some headaches.

 - Slime
 [ http://www.slimeland.com/ ]

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