--- /dev/null
+#include "Fdimpar.h" //(DIMPAR) fluka include
+#include "Ftrackr.h" //(TRACKR) fluka common
+#include "Fiounit.h" //(IOUNIT) fluka common
+#ifndef WIN32
+# define rfrndx rfrndx_
+#else
+# define rfrndx RFRNDX
+#endif
+extern "C" {
+Double_t rfrndx(Double_t& wvlngt, Double_t& omgpho, Int_t& mmat)
+{
+ printf("rfrndx called %e %e %d \n", wvlngt, omgpho, mmat);
+ return (0.);
+}
+}
+