/* Simple timer, for use in benchmark reporting. */ typedef struct { nstime_t t0; nstime_t t1; } timedelta_t; void timer_start(timedelta_t *timer); void timer_stop(timedelta_t *timer); uint64_t timer_usec(const timedelta_t *timer); void timer_ratio(timedelta_t *a, timedelta_t *b, char *buf, size_t buflen);