node/lib/sys.js

var util = require("util");

var sysWarning;
if (!sysWarning) {
  sysWarning = "The 'sys' module is now called 'util'. It should have a similar interface.";
  util.error(sysWarning);
}

exports.print = util.print;
exports.puts = util.puts;
exports.debug = util.debug;
exports.error = util.error;
exports.inspect = util.inspect;
exports.p = util.p;
exports.log = util.log;
exports.exec = util.exec;
exports.pump = util.pump;
exports.inherits = util.inherits;