HelenOS sources

KC_LALT           101 uspace/drv/hid/adb-kbd/ctl.c 	[0x3a] = KC_LALT,
KC_LALT           122 uspace/drv/hid/atkbd/atkbd.c 	[0x11] = KC_LALT,
KC_LALT           157 uspace/drv/hid/usbhid/kbd/conv.c 	[0xe2] = KC_LALT,
KC_LALT           114 uspace/drv/hid/xtkbd/xtkbd.c 	[0x38] = KC_LALT,
KC_LALT           117 uspace/srv/hid/input/ctl/sun.c 	[0x13] = KC_LALT,
KC_LALT           161 uspace/srv/hid/input/input.c 	case KC_LALT:
KC_LALT           376 uspace/srv/hid/input/layout/cz.c 	case KC_LALT:
KC_LALT            49 uspace/srv/hid/input/stroke.c 	{ KM_LALT, KC_LALT },