#[no_mangle] pub extern "C" fn output_int32(x: i32) { println!("{}", x); } #[no_mangle] pub extern "C" fn output_int64(x: i64) { println!("{}", x); } #[no_mangle] pub extern "C" fn output_asciiart(x: i32) { let chars = " .,-:;i+hHM$*#@ "; if x < 0 { println!(""); } else { print!("{}", chars.chars().nth(x as usize).unwrap()); } } extern "C" { fn run() -> i32; } fn main() { unsafe { run(); } }