#[no_mangle]
pub extern "C" fn rustlazyancestors_contains(
raw: *mut AncestorsIterator<Index>,
target: c_long,
) -> c_int
#[no_mangle]
pub extern "C" fn rustlazyancestors_contains(
raw: *mut AncestorsIterator<Index>,
target: c_long,
) -> c_int