--- embedaddon/iftop/addr_hash.h	2012/02/21 16:57:34	1.1.1.1
+++ embedaddon/iftop/addr_hash.h	2016/10/18 14:04:50	1.1.1.2
@@ -12,11 +12,18 @@
 #include "hash.h"
 
 typedef struct {
+    int af;
     unsigned short int protocol;
     unsigned short int src_port;
-    struct in_addr src;
+    union {
+        struct in_addr src;
+        struct in6_addr src6;
+    };
     unsigned short int dst_port;
-    struct in_addr dst;
+    union {
+        struct in_addr dst;
+        struct in6_addr dst6;
+    };
 } addr_pair;
 
 typedef addr_pair key_type;      /* index into hash table */