Re: struct and function-pointer casting

Eric Sosman <eric.sosman@xxxxxxx> wrote:
> No; the type of `derived_func' does not match the
> type of the `func' element in `struct Base', so the
> compiler should object to the initialization. One
> simple fix is
>
> void derived_func(struct Base *b) {
> struct Derived *d = (struct Derived*)b;
> ...
> }

Ok, not as neat as it would be in my code but I think I can
live with it.

> The conversions of the struct pointers are all right:
> any struct pointer can be converted to and from a pointer
> to the struct's first element (unless that element is a
> bit-field; you can't point to a bit-field).

That is good.

Thanks for your answer.
.

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