How to repeat structure C++

[Adam D. Ruppe via Digitalmars-d-learn]

On Sunday, 15 January 2017 at 19:05:06 UTC, MGW wrote:
> struct IInterface {};
> struct IMsgBox : public IInterface {
> 	virtual bool Confirm(const wchar* queryText, tVariant* retVal) 
> = 0;
> 	virtual bool Alert(const wchar* text) = 0;
> };

That's just interfaces and classes in D, so change struct to 
those words and go fro there.