extern std::string openjpeg_version();
extern std::string spaces (int n);
extern void indent (xmlpp::Element* element, int initial);
-extern bool day_less_than_or_equal (struct tm a, LocalTime b);
-extern bool day_greater_than_or_equal (struct tm a, LocalTime b);
+extern bool day_less_than_or_equal (LocalTime a, LocalTime b);
+extern bool day_greater_than_or_equal (LocalTime a, LocalTime b);
+extern std::string unique_string (std::list<std::string> existing, std::string base);
}