--- sope-core/NGStreams/common.h.orig	Mon Nov 29 18:21:07 2010
+++ sope-core/NGStreams/common.h	Mon Nov 29 18:21:32 2010
@@ -106,6 +106,7 @@
 #endif
 
 #if !defined(WIN32) || defined(__CYGWIN32__)
+#  include <netinet/in.h>
 #  include <arpa/inet.h>
 #  include <sys/un.h>
 #endif
--- sope-core/NGExtensions/common.h.orig	Mon Nov 29 18:20:14 2010
+++ sope-core/NGExtensions/common.h	Mon Nov 29 18:20:50 2010
@@ -32,6 +32,7 @@
 #elif defined(NeXT) || NeXT_Foundation_LIBRARY
 #  include <netinet/in.h>
 #else
+#  include <netinet/in.h>
 #  include <arpa/inet.h>
 #endif