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Article #12087

Re: Underscore in Dll export function

#12087
From: Muzzy
Date: Thu, 25 Dec 2003 15:29
31 lines
1994 bytes
Bob Gonder wrote:
> Muzzy wrote:
> 
> 
>>extern "C" void __declspec(dllexport) GetValue(char* AValue);
>>
>>But when i do a dumpbin.exe /export MyDLL.DLL, i see that _GetValue is 
>>exported, with underscore, and not GetValue
>>
>>Any ideas how to get rid of the underscore in the beginning?
> 
> 
> I think you need a _stdcall (or WINAPI, same thing) in there...
> extern "C" void __declspec(dllexport) _stdcall GetValue(char* AValue);
> 

Well i got happy TOO soon...
I declare the export function as:

extern "C" void __declspec(dllexport) bool _stdcall GetValue(char* AValue);

It shows in dll dump as 'GetValue' now, but ...
when i call this function with GetProcAddress, it returns NULL unless i 
put '_GetValue' - with underscore... So we've found the way to get rid 
of underscore in export symbol of dll, but when calling it i still have 
to add underscore to function name...

Any ideas on that?

Thank you,
Andrey
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From: Muzzy <leyandrew@yahoo.com>
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