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>Chapter 3. Devices and interfaces</H1
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>The libusb API ties an open device to a specific interface. This means that if you want to claim multiple interfaces on a device, you should open the device multiple times to receive one usb_dev_handle for each interface you want to communicate with. Don't forget to call <A
HREF="function.usbclaiminterface.html"
>usb_claim_interface</A
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