--- a/include/ectty.h	Mon Jan 25 16:15:56 2010 +0100
+++ b/include/ectty.h	Mon Jan 25 17:42:07 2010 +0100
@@ -49,22 +49,27 @@
 struct ec_tty;
 typedef struct ec_tty ec_tty_t; /**< \see ec_tty */
 
+/**
+ * \param cflag_changed This callback function is called when the serial
+ * settings shall be changed. The \a cflag argument contains the new settings.
+ */
+typedef struct {
+    int (*cflag_changed)(void *, tcflag_t);
+} ec_tty_operations_t;
+
 /******************************************************************************
  * Global functions
  *****************************************************************************/
 
 /** Create a virtual TTY interface.
  *
- * \param cflag_cb This callback function is called when the serial settings
- * shall be changed. The \a cb_data argument is the same as the \a cb_data
- * given on device creation, while the \a cflag argument contains the new
- * settings.
- * \param cb_data Arbitrary data to pass to callbacks.
+ * \param ops Set of callbacks.
+ * \param cb_data Arbitrary data, that is passed to any callback.
  *
  * \return Pointer to the interface object, otherwise an ERR_PTR value.
  */
 ec_tty_t *ectty_create(
-        int (*cflag_cb)(void *cb_data, tcflag_t cflag),
+        const ec_tty_operations_t *ops,
         void *cb_data
         );