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/usr/share/gccxml-0.9/GCC/2.95/iostream is in gccxml 0.9.0+git20140716-2.

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#ifndef GCCXML_IOSTREAM
#define GCCXML_IOSTREAM

#include_next <iostream>

// GCC 2.95 does not conform.
namespace std
{
  using ::ios;
  using ::streamoff;
  using ::streampos;
  using ::streamsize;
  using ::streambuf;
  using ::istream;
  using ::ostream;
  using ::iostream;
  using ::dec;
  using ::hex;
  using ::oct;
  using ::cin;
  using ::cout;
  using ::cerr;
  using ::clog;
  using ::endl;
}

#endif