var common = require('../common'); 
var assert = require('assert'); 
common.print('hello world\r\n'); 
var stdin = process.openStdin(); 
stdin.addListener('data', function (data){ 
_AN_Call_write('write', process.stdout, data.toString()); 
} 
); 
stdin.addListener('end', function (){ 
process.stdout.end(); 
} 
);