From: Bob Stout 

On Mon, 26 Jan 2004, Darin McBride wrote:

> If you're really storing "char" data in that byte, then use char.
> Saying "signed char" or "unsigned char" should
only happen when you're
> storing numerics in that byte rather than character data.  Just MSHO.
> :-)

This is the C++ answer where char, signed char, and unsigned char are three
distinct types. In C, a simple char defaults to whatever the compiler says
it is, so assuming it's either signed or unsigned may get you in trouble.
Best to throw the default switch in your makefile or use the appropriate
#pragma within your code. Either that or go ahead and declare the
"signed-ness" of char variables up front.

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