calling C variadic arguments with no 'argc' and only variadic arguments

[Laeeth Isharc via Digitalmars-d]

sorry - posted in wrong forum

On Wednesday, 18 March 2015 at 00:54:07 UTC, Laeeth Isharc wrote:
> So I ported the C API for MathGL to D, and it is up at 
> code.dlang.org (under dmathgl).  MathGL is a nice plotting 
> library.
>
> http://mathgl.sourceforge.net/doc_en/Pictures.html#Pictures
>
> Later I will work on porting the C++ interface, but so far it 
> at least works for the simplest sample.  (Not tried anything 
> else as they are all written in C++).
>
> DMD gave me an error message for the following declarations:
>
> double mgl_rnd (...);
> double mgl_rnd_ (...);
>
> It says I need at least one fixed argument first.  But the C 
> headers are as they are.
>
> I could work around this by writing a C stub
>
> double mgl_rnd_(int dummy, ...)
>
> but is there any way to call these functions without this 
> workaround?