Initial commit: Hello FFI in Rust!

rust/coffi/.gitignore

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/target

rust/coffi/Cargo.lock

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[root]
name = "coffi"
version = "0.1.0"

rust/coffi/Cargo.toml

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[package]
name = "coffi"
version = "0.1.0"
authors = ["Lucas Stadler <lu@papill0n.org>"]

rust/coffi/src/main.rs

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#[link(name = "m")]
extern {
    fn cos(d: f64) -> f64;
}
fn main() {
    let x = unsafe { cos(3.1415) };
    println!("cos(3.1415) = {}", x);
}