The International Obfuscated C Code Contest (http://ioccc.org/) has some real gems.
Compiling another language to C is good way to learn a lot about C's nooks and crannies.
You could also look at C coding standards such as the MISRA guidelines. While many things they complain about should be obvious, there will inevitably be some really obscure things they urge you not to try.
Compiling another language to C is good way to learn a lot about C's nooks and crannies.
You could also look at C coding standards such as the MISRA guidelines. While many things they complain about should be obvious, there will inevitably be some really obscure things they urge you not to try.