timer_gettime
int timer_gettime(timer_t, struct itimerspec *) __RENAME(__timer_gettime50);
int timer_gettime(timer_t, struct itimerspec50 *);
__warn_references(timer_gettime,
if (timer_gettime(t, &tim) == -1)
__weak_alias(timer_gettime,rump___sysimpl_timer_gettime50);