#if __GNUC__ > 2
std::ostream *open_file_stream (String file_name,
- std::ios_base::openmode mode=std::ios::out);
+ std::ios_base::openmode mode = std::ios::out);
#else
-std::ostream *open_file_stream (String file_name, int mode=ios::out);
+std::ostream *open_file_stream (String file_name, int mode = ios::out);
#endif
void close_file_stream (std::ostream *os);