> The SUS spec says : 
> 
>   chtype contains a character, attributes  and a colour-pair
> 
> so, I have used the bottom 16 bits for the character and the top 16 for
> the attribute flags.  I was hoping that I'd be able to share the attribute
> flags between `normal' and wide characters.  It's not a major problem if not
> though.
> 
> So, any preference for the type for wchar_t, chtype and attr_t?

Probably, int (32bit on both ILP32 and LP64 systems) for wchat_t/attr_t, 
and long long for chtype.

I hope that Klaus Klein corrects me, if this has problem. :)
--
soda