+int tevent_timeval_compare(const struct timeval *tv1,
+ const struct timeval *tv2);
+
+struct timeval tevent_timeval_zero(void);
+
+struct timeval tevent_timeval_current(void);
+
+struct timeval tevent_timeval_set(uint32_t secs, uint32_t usecs);
+
+struct timeval tevent_timeval_until(const struct timeval *tv1,
+ const struct timeval *tv2);
+
+bool tevent_timeval_is_zero(const struct timeval *tv);
+
+struct timeval tevent_timeval_add(const struct timeval *tv, uint32_t secs,
+ uint32_t usecs);
+
+struct timeval tevent_timeval_current_ofs(uint32_t secs, uint32_t usecs);
+