> 
> If you used -std=gnu99 alloca() should still be available.
> 
> Furthermore, we could provide our own <alloca.h> header file that  
> simply:
> 
> #define	alloca(x)	__builtin_alloca(x)
> 
> That would work with any -std=... option.
> 
> -- thorpej

Do we really need a new header, can't we simply put that define in
stdlib.h (where it is currently declared)?
After all, if the protype is visible after including <stdlib.h>,
surely one would expect the function to be provided in some way without
including extra headers.


-hjalmar