Some tests about Rust C FFI in the context of in internship about this subject.

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How to compile the C file :

gcc main.c -o main -lrust_from_c -L./target/debug

#[no_mangle]
pub extern "C" fn hello_from_rust() {
    println!("Hello word from Rust");
}

extern void hello_from_rust();

int main(void) {
    hello_from_rust();
    return 0;
}