On Fri, 29 Mar 2013, Wander Lairson Costa wrote:

> Dear all,
> 
> I have a (kind of dumb) question regarding libusb_bulk_transfer and
> libusb_interrupt_transfer functions. These functions don't receive any
> interface related information in their parameters, so, which interface
> they will send/receive data to/from?

They _do_ receive interface-related information in their parameters: 
the endpoint address.  Each endpoint belongs to a single interface.

Alan Stern


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