diff -r 09fa7c3c5079 -r a117ad66e027 genericopenlibs/openenvcore/libc/src/Nmscalls.cpp
--- a/genericopenlibs/openenvcore/libc/src/Nmscalls.cpp	Thu Sep 02 22:16:05 2010 +0300
+++ b/genericopenlibs/openenvcore/libc/src/Nmscalls.cpp	Fri Sep 17 08:38:54 2010 +0300
@@ -296,5 +296,10 @@
 	{
 	return _setdefaultif_r(&errno,ifReq);
 	}
+
+EXPORT_C int unsetdefaultif()
+    {
+    return _unsetdefaultif_r(&errno);
+    }
 	
 } // extern "C"