need C crash course book

[david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org (David Kramer)]

ref wrote:
> Hi All,
> 
> So I have been tasked with the impossible (as usual) and I need to write
> an apache module, and given what it needs to do, I want to compile it
> for maximum speed run time. I have Nick Kew's book "The apache modules
> book", and now need to get a crash course in C. I was wondering what
> books you guys would recommend, other than the Kernigen & Ritchie book
> which I have. I guess I am looking for a 'best practices'/tutorial kind
> of book. I have solid PHP/JS,  reasonable Perl, and passing experience
> with Java/Python (just not enough time behind the wheel for them to be
> solid). 
> Any pointers anyone ?(no pun intended ;) ...and yes, I know this will be
> a crunch, but I _love_ a good challenge and something to sink my teeth
> into)
> 
> Richard

This will cover some of the less obvious stuff.  I *love* this book.
Good for interview questions, too.

http://www.pearsonhighered.com/educator/academic/product/0,3110,0201179288,00.html

http://www.scribd.com/doc/6765532/C-Traps-and-Pitfalls