From 33723a9b52a40ed10cdced4507dde63b42fa38ed Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Tue, 26 Apr 2016 16:02:07 +0800
Subject: [PATCH] Fix UdpContext::peek to return int (#1946)

---
 libraries/ESP8266WiFi/src/include/UdpContext.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/ESP8266WiFi/src/include/UdpContext.h b/libraries/ESP8266WiFi/src/include/UdpContext.h
index f3b58f87e..c367492cd 100644
--- a/libraries/ESP8266WiFi/src/include/UdpContext.h
+++ b/libraries/ESP8266WiFi/src/include/UdpContext.h
@@ -213,7 +213,7 @@ public:
         return size;
     }
 
-    char peek()
+    int peek()
     {
         if (!_rx_buf || _rx_buf_offset == _rx_buf->len)
             return -1;