USB_CLASS_HID 197 uspace/app/vuhid/device.c descr_iface->interface_class = USB_CLASS_HID; USB_CLASS_HID 52 uspace/drv/hid/usbhid/generic/hiddev.c .interface_class = USB_CLASS_HID, USB_CLASS_HID 94 uspace/drv/hid/usbhid/kbd/kbddev.c .interface_class = USB_CLASS_HID, USB_CLASS_HID 64 uspace/drv/hid/usbhid/mouse/mousedev.c .interface_class = USB_CLASS_HID, USB_CLASS_HID 51 uspace/lib/usb/src/class.c case USB_CLASS_HID:HelenOS homepage, sources at GitHub