Function nc::nanosleep

pub fn nanosleep(
    req: &timespec_t, 
    rem: Option<&mut timespec_t>
) -> Result<(), Errno>

High resolution sleep.

let t = nc::timespec_t {
    tv_sec: 1,
    tv_nsec: 0,
};
assert!(nc::nanosleep(&t, None).is_ok());