#[unsafe(no_mangle)]
pub extern "C" fn wasm_externtype_as_functype(
et: &wasm_externtype_t,
) -> Option<&wasm_functype_t>
#[unsafe(no_mangle)]
pub extern "C" fn wasm_externtype_as_functype(
et: &wasm_externtype_t,
) -> Option<&wasm_functype_t>