need to check for hex in C: how/

[Robert Bonomi]

> Date: Sun, 16 Oct 2011 16:06:54 -0700
> From: Gary Kline <kline at thought.org>
> Subject: Re: need to check for hex in C: how/
>
> this will bbe my 'sanity-checck' of sorts.  the ck function will
> have something like:
>
> if ((char)x == 'a')
> {
> }
>

And, you deserve what happens if you use that kind of flawed checking. :)