Index: uspace/lib/usb/include/usb/devdrv.h
===================================================================
--- uspace/lib/usb/include/usb/devdrv.h	(revision 506d3304a9e494319951e89a619b5c1bad221a58)
+++ uspace/lib/usb/include/usb/devdrv.h	(revision c1b19447de2edea65e75391f393c61a4eb0d48cb)
@@ -169,4 +169,12 @@
     usb_polling_callback_t, size_t, usb_polling_terminted_callback_t, void *);
 
+int usb_device_retrieve_descriptors(usb_pipe_t *, usb_device_descriptors_t *);
+int usb_device_create_pipes(ddf_dev_t *, usb_device_connection_t *,
+    usb_endpoint_description_t **, uint8_t *, size_t, int, int,
+    usb_endpoint_mapping_t **, size_t *);
+int usb_device_destroy_pipes(ddf_dev_t *, usb_endpoint_mapping_t *, size_t);
+
+size_t usb_interface_count_alternates(uint8_t *, size_t, uint8_t);
+
 #endif
 /**