Function cpp_vm_page_list_btree_lower_bound 

pub unsafe extern "C" fn cpp_vm_page_list_btree_lower_bound(
    tree: *mut VmPageListBtree,
    node_offset: u64,
    out_cursor: *mut VmPageListBtreeCursor,
    out_offset: *mut u64,
) -> *mut c_void