Re: Interfacing with C: array of integers as an ocaml string?

> Hello,
>
> I recall that the question has been discussed before,
> but I cannot find the post. Maybe someone can point me
> in the right direction?
>
> I am attempting to interface with a C library. The
> function I require fills in an array with integers.
> I have coded the call so:
>
> CAMLprim value camlidl_cudd_bdd_pick_one_cube(
>          value _v_no)
> {
>    CAMLparam1(_v_no) ;
>    bdd__t no; /*in*/
>    char *cube;
>    int result;
>    int size;
>
>    camlidl_cudd_node_ml2c(_v_no, &no);
>
>    size = Cudd_ReadSize(no.man);
>    printf("No of vars = %d\n", size);
>    cube = malloc((size+1) * sizeof(char));
>    cube[size] = 0 ;
>    result = Cudd_bddPickOneCube(no.man,no.node,cube); <- call in question
>    if (result!=1)
>        { failwith("Bdd: pick cube failed!"); };
>
>    for(int i = 0 ; i < size ; i++) {