/// Provides the time, maximum error (sync distance) and estimated error (dispersion)
/// to client user application programs.
pub unsafe fn ntp_gettime(time: &mut ntptimeval_t) -> Result<i32, Errno> {
let time_ptr = time as *mut ntptimeval_t as usize;
syscall1(SYS_NTP_GETTIME, time_ptr).map(|val| val as i32)
}