c++ - Problem with ifstream::setbuf in VS2008 -

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What changes are required to port "setbuf" in VS2005 to VS2008?

For me to be able to create a project for VS 2008 from VS 2005. Below is the line of code that should be compiled in VS2008.

std :: ifstream these; In.setbuf (FileBuffer, BUFFER_REGION_SIZE);

When I compile the above code in VS2008, I see the error below. 

  Error C2039: 'setbuf': 'std: : Basic_ifstream & lt; _Elem, _Traits & gt; Is not a member of;

What should be done to compile it in VS 2008?

Do you In.rdbuf () -> Pubsetbuf (FileBuffer, BUFFER_REGION_SIZE); ?

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