pub fn path_rename<M: Memory>(
    ctx: &WasiCtx,
    mem: &M,
    old_fd: __wasi_fd_t,
    old_path: WasmPtr<u8>,
    old_path_len: __wasi_size_t,
    new_fd: __wasi_fd_t,
    new_path: WasmPtr<u8>,
    new_path_len: __wasi_size_t
) -> Result<(), Errno>