Function timer_settime
pub unsafe extern "C" fn timer_settime(timerid: timer_t, flags: c_int, new_value: *const itimerspec, old_value: *mut itimerspec) -> c_inttimer_settimepub unsafe extern "C" fn timer_settime(timerid: timer_t, flags: c_int, new_value: *const itimerspec, old_value: *mut itimerspec) -> c_int