diff --git a/include/usbhost/usbhost.h b/include/usbhost/usbhost.h
index 41e2ddc..c330cab 100644
--- a/include/usbhost/usbhost.h
+++ b/include/usbhost/usbhost.h
@@ -125,15 +125,6 @@
 
 const struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device *device);
 
-/* Sends a control message to the specified device on endpoint zero */
-int usb_device_send_control(struct usb_device *device,
-                            int requestType,
-                            int request,
-                            int value,
-                            int index,
-                            int length,
-                            void* buffer);
-
 /* Returns a USB descriptor string for the given string ID.
  * Used to implement usb_device_get_manufacturer_name,
  * usb_device_get_product_name and usb_device_get_serial.
@@ -184,6 +175,23 @@
 int usb_device_connect_kernel_driver(struct usb_device *device,
         unsigned int interface, int connect);
 
+/* Sends a control message to the specified device on endpoint zero */
+int usb_device_control_transfer(struct usb_device *device,
+                            int requestType,
+                            int request,
+                            int value,
+                            int index,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout);
+
+/* Reads or writes on a bulk endpoint */
+int usb_device_bulk_transfer(struct usb_device *device,
+                            int endpoint,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout);
+
 /* Creates a new usb_request. */
 struct usb_request *usb_request_new(struct usb_device *dev,
         const struct usb_endpoint_descriptor *ep_desc);