Hello

I am new to libusbx and I have one basic question

I would like to determine to which usb port particular device is attached.
I can see this information with UsbView from Microsoft or UsbDeview program.

I have tested lisdev.c program from examples directory however function
libusb_get_device_address() does not provide this information. I tested 
it and it
returns the same number for my usb key regardless of the port I am 
plugging it in.
libusb_get_bus_number() works nice though.

I guess I would need something like libusb_get_port_number(dev), however 
this
function does not exist.
Are there some other ways I could determine port ? Would it be possible 
to add
a function for port determination in API ?

I am using windows 7.

Best regards,
                           Janko Kolar

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