pub fn encode_npdu(buf: &mut BytesMut, npdu: &Npdu) -> Result<(), Error>Expand description
Encode an NPDU to wire format, appending it to buf.
Nothing is appended when the NPDU is one the decoder would refuse: a
DNET of 0, an SNET of 0 or 0xFFFF, an empty SADR, or a DADR or SADR past
MAX_MAC_LEN.