Function titanium::desktop::gui::libdruid::piet::cairo::glib::ffi::g_sequence_lookup_iter

pub unsafe extern "C" fn g_sequence_lookup_iter(
    seq: *mut *mut _GSequence,
    data: *mut c_void,
    iter_cmp: Option<unsafe extern "C" fn(_: *mut *mut _GSequenceIter, _: *mut *mut _GSequenceIter, _: *mut c_void) -> i32>,
    cmp_data: *mut c_void
) -> *mut *mut _GSequenceIter