+#if 0 /// UNNEEDED by elogind
+int get_timezone(char **timezone);
+
+time_t mktime_or_timegm(struct tm *tm, bool utc);
+#endif // 0
+struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc);
+
+#if 0 /// UNNEEDED by elogind
+unsigned long usec_to_jiffies(usec_t usec);
+#endif // 0