My is the order of parameters reversed for functions that are dynamically loaded from shared C libraries?

[David Nies via Digitalmars-d-learn]

On Sunday, 15 November 2015 at 18:00:09 UTC, David Nadlinger 
wrote:
> On Sunday, 15 November 2015 at 17:54:27 UTC, David Nies wrote:
>> How can I make sure the order is correct?
>
> Whenever you use a C function, it must be marked as, even if 
> it's through a function pointer as in this case. Just apply the 
> attribute to the dll2_fn and dll3_fn declarations.
>
> Hope this helps,
> David

How do I mark it as such? Can you please give an example?

Thanks for the quick reply! :)