v2008/api-docs/_timespec_timeval_8h_source.html

#ifndef TIMEVAL_TO_TIMESPEC

#define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \

        (ts)->tv_sec = (tv)->tv_sec;                                    \

        (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \

}

#endif


#ifndef TIMESPEC_TO_TIMEVAL

#define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \

        (tv)->tv_sec = (ts)->tv_sec;                                    \

        (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \

}

#endif