Index: uspace/lib/c/include/net/in6.h
===================================================================
--- uspace/lib/c/include/net/in6.h	(revision 257feec9d30b7aa8ced34c0ef045309a9cc98d3c)
+++ uspace/lib/c/include/net/in6.h	(revision 882bc4ba2157550e314d5120fd5f0cb3fad2d63e)
@@ -67,4 +67,6 @@
 } sockaddr_in6_t;
 
+extern const in6_addr_t in6addr_any;
+
 #endif