Index: ulex/ulex.scm
==================================================================
--- ulex/ulex.scm
+++ ulex/ulex.scm
@@ -23,11 +23,11 @@
 ;; NOTES:
 ;;   Why sql-de-lite and not say, dbi?  - performance mostly, then simplicity.
 ;;
 ;;======================================================================
 
-;; (use rpc pkts mailbox sqlite3)
+(use mailbox)
 
 (module ulex
     *
 
 (import scheme posix chicken data-structures ports extras files mailbox)
@@ -79,13 +79,13 @@
 ;; connect to a specific dbfile
 (define (connect udata dbfname dbtype)
   udata)
 
 (define (ping udata host-port)
-  (let ((cookie (make-cookie udata)))
-    (send udata host-port 'ping "just pinging" (conc (current-seconds)))
-    ;; (mailbox-rec
+  (let* ((cookie (make-cookie udata))
+	 (res (send-receive udata host-port 'ping "just pinging" (conc (current-seconds)))))
+    (print "got res=" res)
     ))
 
 ;;======================================================================
 ;; network utilities
 ;;======================================================================