tests/expectations/tests/func_ptr.rs

#![allow(
    dead_code,
    non_snake_case,
    non_camel_case_types,
    non_upper_case_globals
)]

extern "C" {
    pub static mut foo: ::std::option::Option<
        unsafe extern "C" fn(
            x: ::std::os::raw::c_int,
            y: ::std::os::raw::c_int,
        ) -> ::std::os::raw::c_int,
    >;
}