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-rw-r--r--libusb/libusb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libusb/libusb.h b/libusb/libusb.h
index 0b29223..4aa0e13 100644
--- a/libusb/libusb.h
+++ b/libusb/libusb.h
@@ -597,6 +597,9 @@ int libusb_release_interface(libusb_device_handle *dev, int iface);
libusb_device_handle *libusb_open_device_with_vid_pid(uint16_t vendor_id,
uint16_t product_id);
+int libusb_set_interface_altsetting(libusb_device_handle *dev, int iface,
+ int altsetting);
+
/* async I/O */
/** \ingroup asyncio