HelenOS sources

KBDEV_SET_IND     317 uspace/drv/hid/atkbd/atkbd.c 	case KBDEV_SET_IND:
KBDEV_SET_IND     166 uspace/drv/hid/usbhid/kbd/kbddev.c 	case KBDEV_SET_IND:
KBDEV_SET_IND     328 uspace/drv/hid/xtkbd/xtkbd.c 	case KBDEV_SET_IND:
KBDEV_SET_IND     145 uspace/srv/hid/input/ctl/kbdev.c 	async_msg_1(exch, KBDEV_SET_IND, mods);
HelenOS homepage, sources at GitHub