ADDED   mttroot/mtt/lib/cr/hh/components.hh
Index: mttroot/mtt/lib/cr/hh/components.hh
==================================================================
--- mttroot/mtt/lib/cr/hh/components.hh
+++ mttroot/mtt/lib/cr/hh/components.hh
@@ -0,0 +1,13 @@
+#ifndef COMPONENTS_HH
+#define COMPONENTS_HH
+
+// $ cd $(echo $MTT_COMPONENTS/simple | sed 's/\.://')
+// $ ls *_eqn.m | gawk -F_ '{printf ("%s, ", $1)}'
+enum component {
+  AE, AF, C, EBTF, EMTF, ES, FMR, FP, GY, I, PS, RST, RS, R, SS, TF
+};
+
+typedef enum component component_t;
+  
+
+#endif