#if defined( SG_HAVE_STD_INCLUDES )
# include <istream>
-#elif defined ( SG_HAVE_NATIVE_SGI_COMPILERS )
-# include <CC/stream.h>
#elif defined ( __BORLANDC__ )
# include <iostream>
#else
#include <simgear/misc/zfstream.hxx>
SG_USING_STD(string);
-
-#ifndef SG_HAVE_NATIVE_SGI_COMPILERS
SG_USING_STD(istream);
-#endif
/**