usb_cdc_ethernet_descriptor_t
const usb_cdc_ethernet_descriptor_t *ue;
ue = (const usb_cdc_ethernet_descriptor_t *)usb_find_desc_if(dev,
const usb_cdc_ethernet_descriptor_t *ue;
ue = (const usb_cdc_ethernet_descriptor_t *)usb_find_desc_if(dev,