Eggheads: Many warnings while compiling

[BarkerJr]

>> There shouldn't be any warnings while compiling, if you fixed that
>> issue, maybe you would want to submit a patch to patches at eggheads.org?

The thing to keep in mind is that some warnings are platform 
compatibility issues.  We may need to keep some warnings on some 
platforms just so other platforms don't error.  C isn't as platform 
independent as it's made out to be by the textbooks.