C Macro deeper meaning?

[Andrew Edwards via Digitalmars-d-learn]

On Sunday, 31 January 2016 at 03:13:46 UTC, Adam D. Ruppe wrote:
> On Sunday, 31 January 2016 at 02:58:28 UTC, Andrew Edwards 
> wrote:
>> But it cannot be that simple, so what am I missing?
>
> I'm guessing the macro was there in C to silence compiler 
> warnings about not using a return value. So I think your 
> translation is ok:
>
> NOTUSED(somefunction(....));
>
> still calls the function, so the behavior is the same. If I'm 
> right, the macro was just about discarding the return value in 
> such a way as to tell the compiler warning / lint program that 
> you intentionally wanted to ignore it.

Okay, got it. Much appreciated.