Ravi Chamarty writes:
> 
> Hi ,
> 
>  I am trying to write OCaml interfaces around a C library.  I tried
> looking at the Unix library and trying to understand it. However, I have
> much complex data types to deal with.I was wondering if anyone could help
> me out. 
> 
> Here is a signature of one of the C functions:
> 
> an_flow_t * 
> an_flow_create(void *mem, an_cred_t *cred, an_cpuspec_t *cspec,
> 		an_memspec_t *mspec, an_flowinit_func_t init, 
> 		void *initarg, an_flowterm_func_t term)
> 
> 
> Each of these types are complex structures in C. How do I represent these
> in OCaml. Is it useful to use classes and methods? Or do I use abstract
> types to represent them ?
> 
> An example of one of these structures is given below:
> 
> [...]
> I would be grateful for any help.
> 
> Thanks
> Ravi
> 

Did you have a look a Camlidl (http://pauillac.inria.fr/caml/camlidl) ?
It can generate rather complex stub code for you.

Jocelyn

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