libusb Developers Guide
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# usb_open

## Name

usb_open -- Opens a USB device

## Description

``usb_dev_handle *usb_open` (struct *usb_device dev);`

`usb_open` is to be used to open up a device for use. `usb_open` must be called before attempting to perform any operations to the device. Returns a handle used in future communication with the device.

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