function length(buffer, n, special) {
  var len = this.getLengthEncoding(n, special);
  return Buffer.concat([len, buffer], len.length + buffer.length);
}
function length(buffer, n, special) {
  var len = this.getLengthEncoding(n, special);
  return Buffer.concat([len, buffer], len.length + buffer.length);
}
function length ( buffer , n , special ) { var len = this . getLengthEncoding ( n , special ) ; return Buffer . concat ( [ len , buffer ] , len . length + buffer . length ) ; }
Concatenate a buffer with length encoding.
Concatenate a buffer with length encoding .