Function isIP

lib/internal/net.js:59–63

* @param {string} s * @returns {4|6|0}

(s)

 * @returns {4|6|0}
 */
function isIP(s) {
  if (isIPv4(s)) return 4;
  if (isIPv6(s)) return 6;
  return 0;
}

function makeSyncWrite(fd) {
  return function(chunk, enc, cb) {