>  > errnos.h
>  > values.h
>  > alloca.h
>  > features.h
> 
> These headers are not supposed to be in NetBSD at all.  The code that
> references them must be changed to use the headers appropriate for
> NetBSD.

  Yes, I believe those headers are part of the System V or Linux branch.  
The lack of them in *BSD can be a REAL pain in porting.

Dan Kosack