[Dynamite] ANSI C question

[Ian Holmes]

On Thu, 23 Mar 2000, Ewan Birney wrote:

> > Do either of you know if this is strict ANSI, i.e. can we be sure that the
> > first two fields of _GArray (data & len) are mapped to the same memory
> > locations as data and len in _GRealArray in all C compilers?
> 
> This is strict ANSI interestingly. (read the back of K&R about struct
> layout).

Thanks.. so it is - I remember being told about this when I first learnt C
but forgot about it.

> > 
> > If so it makes life a lot easier...
> 
> 
> This trick is what GTK uses for inheritance.
> 

urgh.