92 static int filter_usb_device(int fd, char *ptr, int len, int writable,  in filter_usb_device()  argument
106     if(check(ptr, len, USB_DT_DEVICE, USB_DT_DEVICE_SIZE))  in filter_usb_device()
108     dev = (void*) ptr;  in filter_usb_device()
110     ptr += dev->bLength;  in filter_usb_device()
112     if(check(ptr, len, USB_DT_CONFIG, USB_DT_CONFIG_SIZE))  in filter_usb_device()
114     cfg = (void*) ptr;  in filter_usb_device()
116     ptr += cfg->bLength;  in filter_usb_device()
154         if(check(ptr, len, USB_DT_INTERFACE, USB_DT_INTERFACE_SIZE))  in filter_usb_device()
156         ifc = (void*) ptr;  in filter_usb_device()
158         ptr += ifc->bLength;  in filter_usb_device()
167             if(check(ptr, len, USB_DT_ENDPOINT, USB_DT_ENDPOINT_SIZE))  in filter_usb_device()
169             ept = (void*) ptr;  in filter_usb_device()
171             ptr += ept->bLength;  in filter_usb_device()