6 double tdiff(const timeval& a, const timeval& b);
7 bool less_than(const timeval &a, const timeval &b);
8 timeval subtract_timeval_saturate(const timeval &a, const timeval &b);
9 timeval offset_timeval_seconds(const timeval &a, double s);
11 #endif // !defined(_TIMEUTIL_H)