Function lazyBinding

lib/internal/dns/utils.js:31–34

()

} = require('internal/validators');
let binding;
function lazyBinding() {
  binding ??= internalBinding('cares_wrap');
  return binding;
}
const IANA_DNS_PORT = 53;
const IPv6RE = /^\[([^[\]]*)\]/;
const addrSplitRE = /(^.+?)(?::(\d+))?$/;