-/* timedate.cpp */
-DATE *td_get_date(DATE *d);
-TIME *td_get_time(TIME *t);
-double td_current_sec(void);
-double td_time_to_sec(TIME *t);
-TIME *td_time_sub(const TIME *t1, const TIME *t2, TIME *tdiff);
-TIME *td_time_add(const TIME *t1, const TIME *t2, TIME *tsum);
-TIME *td_time_copy(TIME *to, const TIME *from);
-TIME *td_time_norm(TIME *t);
-void td_get_tmdt(TIMEDATE *td);
-const char *td_str_tmdt(const TIMEDATE *td);
-const char *td_str_time(const TIME *t);
-const char *td_str_stime(const TIME *t);
-const char *td_str_date(const DATE *d);
-char *td_str_cdate(DATE *d);
-char *td_month_name(int n);
-char *td_day_name(int n);
-
-