Function get_ip_original_dst

pub fn get_ip_original_dst<Fd>(fd: Fd) -> Result<SocketAddrV4, Errno> 
where
    Fd: AsFd,

Available on crate feature dep_rustix only.

getsockopt(fd, IPPROTO_IP, SO_ORIGINAL_DST)

Even though this corresponds to a SO_* constant, it is an IPPROTO_IP option.

See the module-level documentation for more.