Binary recvBytes(NetHandle h, Int maxlen=1024, Int timeout=0)
h: The connection
maxlen: The maximum number of bytes to read. This argument must be a positive integer
timeout: The number of microseconds to wait without input before timing out. The default is zero.
Reads up to maxlen bytes from the connection as binary data, and times out after timeout microseconds. This function does not yet support TLS connections.