diff --git a/src/libraries/libisc-new/src/isc_compat.c b/src/libraries/libisc-new/src/isc_compat.c
new file mode 100644
index 0000000000000000000000000000000000000000..e4994101179a9a091c9a2c8951a46ba10b839736
--- /dev/null
+++ b/src/libraries/libisc-new/src/isc_compat.c
@@ -0,0 +1,37 @@
+/*
+** isc_compat.c                     Portability functions.
+**
+** Copyright (C) 2002 by Peter Eriksson and
+** Per Cederqvist of the Lysator Academic Computer Association.
+**
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Library General Public
+** License as published by the Free Software Foundation; either
+** version 2 of the License, or (at your option) any later version.
+**
+** This library is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+** Library General Public License for more details.
+**
+** You should have received a copy of the GNU Library General Public
+** License along with this library; if not, write to the Free
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <arpa/inet.h>
+
+#include "isc.h"
+#include "intern.h"
+
+#if !HAVE_INET_ATON
+int
+inet_aton(const char *name, struct in_addr *res)
+{
+    res->s_addr = inet_addr(address);
+    return (res->s_addr != INADDR_NONE);
+}
+#endif
+
+char isc_neveruse='C';