// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test direct calls to extern fns. extern fn f(x: uint) -> uint { x * 2 } pub fn main() { #[fixed_stack_segment]; let x = f(22); assert_eq!(x, 44); }