GCCE fixes (Bug 2971) : Remove IMPORT_C statements in ext_dat.h as these are not necessary within same module and cause "not constant" error with GCCE
# include <using/ostream>
using _STLP_NEW_IO_NAMESPACE::basic_istream;
using _STLP_NEW_IO_NAMESPACE::basic_iostream;
using _STLP_NEW_IO_NAMESPACE::istream;
using _STLP_NEW_IO_NAMESPACE::iostream;
# if !defined (_STLP_NO_NATIVE_WIDE_STREAMS)
using _STLP_NEW_IO_NAMESPACE::wistream;
using _STLP_NEW_IO_NAMESPACE::wiostream;
# endif
#if !(defined (_STLP_MSVC) && (_STLP_MSVC < 1200))
using _STLP_NEW_IO_NAMESPACE::ws;
#endif