At 6:31 PM -0700 7/31/09, Shawn Erickson wrote:
On Fri, Jul 31, 2009 at 3:39 PM, kvic...@pobox.com<kvic...@pobox.com> wrote:where interface and device are declared as follows: @property ( assign, nonatomic) IOUSBDeviceInterface300** device; @property ( assign, nonatomic) IOUSBInterfaceInterface300** interface;Why are you use a pointer to a pointer (**) in above? I ask because doing so seems a little strange and hence leads me to think you may have a misunderstanding of pointers, etc. in some of the API you are calling. -Shawn
i'm using pointer to pointer (sometimes called handles) because that is what is required when using the usb aspects of the IOKit as demonstated in apple's sample code.
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