header, directory, shadow status

[Benjamin Kosnik]

> > As for the shadow header work: I can't spend any more time on it. I
> > had it working on 10-04, and I would think that it could survive a
> > directory rename, but apparently this is not the case. 
> 
>   I can bang on some of the shadow header stuff some more...

OK. That would be nice. I'll go ahead and check in the correct files to 
c_std. 

thanks,
benjamin