DMD Refuses to Compile Multiple Source Files

[ketmar via Digitalmars-d-learn]

On Wednesday, 18 January 2017 at 03:37:46 UTC, Samwise wrote:
> extern int getReturnCode() {
> 	return 4;
> }
>
> still does not compile using the command from above. I may very 
> well be misunderstanding you though.

yep. *both* prototype and real declaration should be `extern(C)`. 
`(C)` part is important too!