index.js
function readlin(options, start, end) {

  return readline.createInterface({
    input: interfac(options, start, end),
    output: null,
    terminal: false,
  });
}
function readlin(options, start, end) {

  return readline.createInterface({
    input: interfac(options, start, end),
    output: null,
    terminal: false,
  });
}
function readlin ( options , start , end ) { return readline . createInterface ( { input : interfac ( options , start , end ) , output : null , terminal : false , } ) ; }
build readline interface

@function readlin
@param {Object} options - various options. Check README.md
@param {Integer} start - starting bytes
@param {Integer} [end] - ending bytes
@return {Objetc}
build readline interface