1 use curl::easy::Easy; 2 hook()3pub extern "C" fn hook() { 4 let mut easy = Easy::new(); 5 easy.url("google.com").unwrap(); 6 easy.write_function(|data| Ok(data.len())).unwrap(); 7 easy.perform().unwrap(); 8 } 9 main()10fn main() { 11 curl::init(); 12 hook(); 13 unsafe { 14 libc::atexit(hook); 15 } 16 println!("Finishing...") 17 } 18