Call of C function breaks memoty layout

[drug]

On 1/24/20 4:37 PM, Andrey wrote:
> Hello,
> I'm trying to bind C library for Tcl/Tk in D code. There is a function 
> called "Tcl_CreateInterp()" which I declared as extent(C). When I call 
> this function then layout of memory become broken - one of my global 
> wstring variables loses it's value.
> I don't know why it is happens. If I comment the call - I get normal 
> execution.
> 
> May be somebody had faced with such problem. What to do?
> 
> My code:
>> struct Tcl_Interp;
>> extern (C)
>> {
>>    Tcl_Interp* Tcl_CreateInterp() nothrow;
>> }
I don't know if it is the reason but Tcl_Interp definitely should be 
extern(C) too in general