nc 0.9.7

Access system calls directly
Documentation
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/// Get feed-forward clock estimates.
pub unsafe fn ffclock_getestimate(cest: &mut ffclock_estimate_t) -> Result<(), Errno> {
    let cest_ptr = cest as *mut ffclock_estimate_t as usize;
    syscall1(SYS_FFCLOCK_GETESTIMATE, cest_ptr).map(drop)
}