Moved legacy code into archive, ready for a new rapid(?) prototype.

I may regret doing this!

archive/c/repl.h

@@ -0,0 +1,29 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/*
+ * File:   repl.h
+ * Author: simon
+ *
+ * Created on 14 August 2017, 14:40
+ */
+
+#ifndef REPL_H
+#define REPL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The read/eval/print loop
+ */
+    void repl(  );
+
+#ifdef __cplusplus
+}
+#endif
+#endif                          /* REPL_H */