+/* clean up globals which aren't referenced, but still shouldn't be left
+pointing to stack memory */
+#define CLEANUP_RETURN(Code) do { auth_vars[0] = expand_nstring[1] = NULL; \
+ expand_nlength[1] = expand_nmax = 0; return (Code); } while (0);
+
+debug_print_string(ablock->server_debug_string); /* customized debug */
+