--- SVN-Latest\nbase\nbase_misc.c	Wed Dec 27 15:46:14 2006
+++ nbase\nbase_misc.c	Wed Jan 24 13:16:48 2007
@@ -117,6 +117,10 @@
 #define INET6_ADDRSTRLEN 46
 #endif
 
+#ifndef AF_UNSPEC
+#define AF_UNSPEC 0
+#endif
+
 /* Returns the UNIX/Windows errno-equivalent.  Note that the Windows
    call is socket/networking specific.  The windows error number
    returned is like WSAMSGSIZE, but nbase.h includes #defines to
@@ -150,6 +154,9 @@
       return NULL;
     return inet_ntop(AF_INET, &sin->sin_addr, str, sizeof(str));
   } 
+  /* On Win32 this could mean the iface is down */
+  else if (sin->sin_family == AF_UNSPEC)
+     return NULL;
 #if HAVE_IPV6
   else {
     assert(sin->sin_family == AF_INET6);