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