pub fn encode_poll_echo(out: &mut [u8]) -> Result<usize, EncodeError>Expand description
Encode the server’s poll echo (3 bytes).
§Errors
Returns EncodeError::BufferTooSmall if out.len() < 3.
§See also
xlxd/src/cdplusprotocol.cpp — the reference encoder reuses the
client poll bytes verbatim.