HelenOS sources
KC_N8 134 uspace/drv/hid/adb-kbd/ctl.c [0x5b] = KC_N8,
KC_N8 151 uspace/drv/hid/atkbd/atkbd.c [0x75] = KC_N8,
KC_N8 146 uspace/drv/hid/usbhid/kbd/conv.c [0x60] = KC_N8,
KC_N8 144 uspace/drv/hid/xtkbd/xtkbd.c [0x48] = KC_N8,
KC_N8 167 uspace/srv/hid/input/ctl/sun.c [0x45] = KC_N8,
KC_N8 185 uspace/srv/hid/input/layout/ar.c [KC_N8] = '8',
KC_N8 214 uspace/srv/hid/input/layout/cz.c [KC_N8] = '8',
KC_N8 193 uspace/srv/hid/input/layout/fr_azerty.c [KC_N8] = '8',
KC_N8 194 uspace/srv/hid/input/layout/us_dvorak.c [KC_N8] = '8',
KC_N8 188 uspace/srv/hid/input/layout/us_qwerty.c [KC_N8] = '8',
HelenOS homepage, sources at GitHub