C binding with D function

[bachmeier via Digitalmars-d-learn]

On Thursday, 4 August 2016 at 12:14:48 UTC, Adam D. Ruppe wrote:
> On Thursday, 4 August 2016 at 10:36:05 UTC, llaine wrote:
>> Any idea how can I call them ?
>
> Just like any other function. Consider this:

I'd like to put this example on the wiki unless you think there 
is a reason to not do so.