Initial revision
diff --git a/contiki-cpc/arch/uip.c b/contiki-cpc/arch/uip.c
new file mode 100644
index 0000000..76f0d0a
--- /dev/null
+++ b/contiki-cpc/arch/uip.c
@@ -0,0 +1,9 @@
+void chksumi()
+{
+}
+
+void add32i()
+{
+}
+
+