vaud.txt

D:\node3>node
> s = require('dgram').createSocket('udp4');
{ _handle:
   { lookup: [Function: lookup4],
     socket: [Circular] },
  _receiving: false,
  _bound: false,
  type: 'udp4',
  fd: null }
> s.bind(80);
undefined
> s.bind(80);
undefined
>
node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
Error: bind EINVAL
    at errnoException (dgram.js:314:11)
    at dgram.js:123:15
    at lookup (dgram.js:49:12)
    at UDP.lookup4 [as lookup] (dgram.js:59:10)
    at Socket.bind (dgram.js:120:16)
    at repl:1:3
    at REPLServer.eval (repl.js:80:21)
    at repl.js:190:20
    at REPLServer.eval (repl.js:87:5)
    at Interface.<anonymous> (repl.js:182:12)

D:\node3>