[M3devel] Referencing opaque C structs in M3 code?

[Tony Hosking]

You can assume that ADDRESS is entirely interchangeable with a C void *.

Antony Hosking | Associate Professor | Computer Science | Purdue University
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On 4 Mar 2010, at 16:29, Chris wrote:

> Alright, this has thrown me for a bit of a loop...no pun intended...
> 
> Suppose I'm linking my Modula 3 code with a C library where the public API has a declaration like this...
> 
> typedef struct opaque_foo_t opaque_foo_t;
> 
> And the type opaque_foo_t is defined in the private part of the library.
> 
> Do I need to create a seperate representation of the structure for my Modula3 program or can I just create a pointer for it and pass the pointer around? Assuming of course I dont have to actually reference anything inside opaque_foo_t.  Would I just create an UNTRACED REF Ctypes.void_star or something similiar?
> 
> I'm a little puzzled. Any help would be appreciated.
> 
> 
> 
> -- 
> Chris <Highjinks at gmx.com>

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