File: function_ptr.rs

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rust-cbindgen 0.27.0-2
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pub type MyCallback = Option<unsafe extern "C" fn(a: usize, b: usize)>;

pub type MyOtherCallback = Option<unsafe extern "C" fn(a: usize, lot: usize, of: usize, args: usize, and_then_some: usize)>;

#[no_mangle]
pub extern "C" fn my_function(a: MyCallback, b: MyOtherCallback) {}