From 81f225a4c56a938b3f18e717ef62eec3ca8fb35e Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Wed, 18 Oct 2017 10:51:18 +0200
Subject: [PATCH] Fix ioctl undefined in latest IDF

---
 libraries/WiFi/src/WiFiClient.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/WiFi/src/WiFiClient.cpp b/libraries/WiFi/src/WiFiClient.cpp
index 95c63c29..5b8c0fb6 100644
--- a/libraries/WiFi/src/WiFiClient.cpp
+++ b/libraries/WiFi/src/WiFiClient.cpp
@@ -274,7 +274,7 @@ int WiFiClient::available()
         return 0;
     }
     int count;
-    int res = ioctl(fd(), FIONREAD, &count);
+    int res = lwip_ioctl_r(fd(), FIONREAD, &count);
     if(res < 0) {
         log_e("%d", errno);
         stop();