[Xcb] XCB naming conventions

[Vincent Torri]

>
> There's no reason to pick names almost but not quite exactly like C99:
> if we're going to do that we should just use the C99 names. So I guess
> the question is whether folks have arguments in favor of using names
> derived from the protocol specification. My only argument is that XCB's
> API ought to be largely "guessable" from reading the protocol
> specification. Switching to C99 names probably doesn't violate that,
> though.

should we use card8_t, or uint8_t ?

>
> Josh is very busy: he's working full-time at IBM at the moment, and we
> need him in other projects around here too. :-)

I'll try to hack that xslt file, but I really don't know if i'll finish it 
in time.

Vincent