pub unsafe extern "C" fn webkit_back_forward_list_get_nth_item(
back_forward_list: *mut WebKitBackForwardList,
index: c_int
) -> *mut WebKitBackForwardListItem
pub unsafe extern "C" fn webkit_back_forward_list_get_nth_item(
back_forward_list: *mut WebKitBackForwardList,
index: c_int
) -> *mut WebKitBackForwardListItem