[fwlug] Brushing up on C

[Rob Ludwick]

You're probably most capable with general programming structures.  I
think the hard part is pointers and dynamic memory allocation.  I used
to think that pointers were evil, but really they're a fact of life.

This one is pretty good at describing pointers, although it does not
cover malloc() and free():
http://boredzo.org/pointers/

A whole site dedicated to function pointers:
http://www.function-pointer.org

A general purpose C reference:
http://publications.gbdirect.co.uk/c_book/

And there's a wikipedia page on malloc/free:
http://en.wikipedia.org/wiki/Malloc

--R


On Sat, 2008-03-08 at 13:14 -0500, Jon Bartels wrote:
> This is cross posted from the Geek list, just looking for some opinions
> from anyone I can get in touch with.
> 
> I've been writing business applications in Ruby for about two years 
> now and this week I've had to write some .NET code for a prototype 
> application that records audio does some file operations and other 
> things. While writing that I had to deal with managing a buffer for 
> the first time since early college and I realized that even with a 
> high level abstraction like .NET I had forgotten how to deal with some 
> of the lower level concepts. 
> 
> I also work with a guy who used to work for Amiga as a video driver 
> developer and he constantly gives me that "punk ass kid" look when I 
> complain about having to "deal with this piddly low level crap". 
> 
> So long story short, any suggestions for relearning C? I know grabbing 
> the Linux kernel source and poking around is going to run over my head 
> and the garage sale C books from 1985 are going to bore me reviewing 
> the basics of general programming. 
> 
> I'm thinking of rewriting some libraries I've written in Ruby as C 
> then writing a Ruby wrapper for that. I figure that it'll force me to 
> review some critical code, rewrite it in a faster language, and I have 
> unit tests that will prove I did it right. Does that sound like a 
> reasonable way to brush up on C?
> 
> 
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