adjtime
if (adjtime(&tv, NULL))
__warn_references(adjtime,
__weak_alias(adjtime, _adjtime)
adjtime(const struct timeval50 *ts50, struct timeval50 *rts50)
int adjtime(const struct timeval50 *, struct timeval50 *);
__weak_alias(adjtime,rump___sysimpl_adjtime50);
int adjtime(const struct timeval *, struct timeval *) __RENAME(__adjtime50);
if (adjtime(&tv, NULL) == -1)
if (0 > adjtime(corr, 0)) {
(void)adjtime(&ntime, (struct timeval *)0);