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{
  std::string t="sdfs";
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}
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{
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  swprintf(username,L"%s",result.c_str()); 
}

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std::string test()
{
    std::string t="sdfs";
    return t;
}
extern "C" int __stdcall  GetP(WCHAR* username)
{
    std::string result=test();
    swprintf(username,L"%s",result.c_str());
}

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