nix 0.17.0

Rust friendly bindings to *nix APIs
Documentation 
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use nix::net::if_::*;

#[cfg(any(target_os = "android", target_os = "linux"))]
const LOOPBACK: &[u8] = b"lo";

#[cfg(not(any(target_os = "android", target_os = "linux")))]
const LOOPBACK: &[u8] = b"lo0";

#[test]
fn test_if_nametoindex() {
    assert!(if_nametoindex(&LOOPBACK[..]).is_ok());
}