#include <WiFi.h>
    int status = WL_IDLE_STATUS;     // the Wifi radio's status
    //SSID of your network
    char ssid[] = "yourNetwork";
    //password of your WPA Network
    char pass[] = "secretPassword";
    IPAddress ip;
    IPAddress subnet;
    IPAddress gateway;
    void setup()
    {
      WiFi.begin(ssid, pass);
      if ( status != WL_CONNECTED) {
        Serial.println("Couldn't get a wifi connection");
        while(true);
      }
      // if you are connected, print out info about the connection:
      else {
        // print your subnet mask:
        subnet = WiFi.subnetMask();
        Serial.print("NETMASK: ");
        Serial.println();
      }
    }
    void loop () {
    }