[fpc-pascal] return 8 byte of return as function result via register

[Sven Barth]

Am 13.09.2014 01:00 schrieb "Dennis Poon" <dennis at avidsoft.com.hk>:
>
> I am trying to use an external C++ dll and also privide call back
functions to this dll to call back.
> However, the dll requires my functions to return 8 byte of 'struct' via
register and the dll author said it is not possible with Delphi.
> Is that possible with fpc?

How does the prototype of the fallback look like in C++?

Regards,
Sven
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