--- a/genericopenlibs/openenvcore/libc/src/Nmscalls.cpp	Tue Sep 14 13:39:11 2010 +0530
+++ b/genericopenlibs/openenvcore/libc/src/Nmscalls.cpp	Tue Sep 14 15:26:30 2010 +0530
@@ -296,5 +296,10 @@
 	{
 	return _setdefaultif_r(&errno,ifReq);
 	}
+
+EXPORT_C int unsetdefaultif()
+    {
+    return _unsetdefaultif_r(&errno);
+    }
 	
 } // extern "C"