Index: uspace/lib/usb/include/usb/debug.h
===================================================================
--- uspace/lib/usb/include/usb/debug.h	(revision 47234447bd680eafc14461f1409453f549e908ae)
+++ uspace/lib/usb/include/usb/debug.h	(revision f43c4d273c1dc8a02bad8331c5a9190c42802681)
@@ -79,4 +79,5 @@
 	usb_log_printf(USB_LOG_LEVEL_DEBUG2, format, ##__VA_ARGS__)
 
+const char *usb_debug_str_buffer(uint8_t *, size_t, size_t);