HelenOS sources
KC_N6 131 uspace/drv/hid/adb-kbd/ctl.c [0x58] = KC_N6,
KC_N6 155 uspace/drv/hid/atkbd/atkbd.c [0x74] = KC_N6,
KC_N6 144 uspace/drv/hid/usbhid/kbd/conv.c [0x5e] = KC_N6,
KC_N6 148 uspace/drv/hid/xtkbd/xtkbd.c [0x4d] = KC_N6,
KC_N6 191 uspace/srv/hid/input/ctl/sun.c [0x5d] = KC_N6,
KC_N6 189 uspace/srv/hid/input/layout/ar.c [KC_N6] = '6',
KC_N6 218 uspace/srv/hid/input/layout/cz.c [KC_N6] = '6',
KC_N6 197 uspace/srv/hid/input/layout/fr_azerty.c [KC_N6] = '6',
KC_N6 198 uspace/srv/hid/input/layout/us_dvorak.c [KC_N6] = '6',
KC_N6 192 uspace/srv/hid/input/layout/us_qwerty.c [KC_N6] = '6',
HelenOS homepage, sources at GitHub