nanouptime
nanouptime(&ts);
nanouptime(&ks->ks_updated);
nanouptime(&ks->ks_updated);
TC_STATS(binuptime); TC_STATS(nanouptime); TC_STATS(microuptime);
nanouptime(ts);
#define SCTP_GETTIME_TIMESPEC(x) (nanouptime(x))
nanouptime(&crp->crp_tstamp);
nanouptime(&now);
void nanouptime(struct timespec *);