Function nc::gettimeofday

pub fn gettimeofday(
    timeval: &mut timeval_t, 
    tz: &mut timezone_t
) -> Result<(), Errno>

Get time.

let mut tv = nc::timeval_t::default();
let mut tz = nc::timezone_t::default();
let ret = nc::gettimeofday(&mut tv, &mut tz);
assert!(ret.is_ok());
assert!(tv.tv_sec > 1611380386);