#include <sys/time.h>vid
bintime_add(struct bintime *bt, const struct bintime *bt2);
void
bintime_addx(struct bintime *bt, uint64_t x);
void
bintime_sub(struct bintime *bt, const struct bintime *bt2);
void
bintime2timespec(const struct bintime *bt, struct timespec *ts);
void
timespec2bintime(const struct timespec *ts, struct bintime *bt);
void
bintime2timeval(const struct bintime *bt, struct timeval *tv);
void
timeval2bintime(const struct timeval *tv, struct bintime *bt);