--- groupsock/Groupsock.cpp.orig	2004-02-29 16:29:42.000000000 +0100
+++ groupsock/Groupsock.cpp	2004-02-29 16:30:56.000000000 +0100
@@ -26,7 +26,7 @@
 #if defined(__WIN32__) || defined(_WIN32)
 #include <strstrea.h>
 #else
-#include <strstream.h>
+#include <strstream>
 #endif
 #include <stdio.h>
 
@@ -207,7 +207,7 @@
   } while (0);
   
   if (DebugLevel >= 0) { // this is a fatal error
-    ostrstream out;
+    std::ostrstream out;
     out << *this << ": write failed: " << env.getResultMsg() << endl;
     env.setResultMsg(out.str());
   }
@@ -227,8 +227,8 @@
 			    buffer, maxBytesToRead, fromAddress);
   if (numBytes < 0) {
     if (DebugLevel >= 0) { // this is a fatal error
-      ostrstream out;
+      std::ostrstream out;
       out << *this
 	  << ": read failed: " << env().getResultMsg()
 	  << endl;
--- groupsock/NetInterface.cpp.orig	2003-04-11 06:42:26.000000000 +0200
+++ groupsock/NetInterface.cpp	2004-02-29 16:36:07.000000000 +0100
@@ -25,7 +25,7 @@
 #include <strstrea.h>
 #define _close closesocket
 #else
-#include <strstream.h>
+#include <strstream>
 #define _close close
 #endif