[ns] Tcl instance

[BEN ALI ABIR]

Hi all
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I've tried  to have a refrence ton the Tcl instance in  a new VC++ project. I wrote :
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#include "stdafx.h"
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#include <otcl.h>
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#include <tcl.cc>
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#include <tcl.h>
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int main(int argc, char* argv[])
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{
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	Tcl &tcl=Tcl::instance();
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	printf("Hello World!\n");
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	return 0;
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}
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but still have unresolved externals in the link 
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Is there something I should do or a path to include?
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Thx in advance<p><hr>