Linking Pro*C hello world Windows 7 64 Ora 10 symbols gone

A client we installed about a year ago works but a client we install now doesnt.Where have our lost symbols gone?

orasql10.lib used to define the symbol _sqlcxt

now it defines the symbol sqlcxt.  Probably other symbols have dropped the underbar.

How can we make orasql10.lib define _sqlcxt or alternatively how can we make the output of the

pro*c compiler generate a reference to sqlcxt instead of _sqlcxt?

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#include <stdio.h>

#include <string.h>

#include <string>

#ifdef SQLCA_STORAGE_CLASS

#undef SQLCA_STORAGE_CLASS

#endif

  exec sql include sqlca;

main()

{ 

  int result;

  exec sql begin declare section;