HelenOS sources
KC_0 236 uspace/app/calculator/calculator.c case KC_0:
KC_0 347 uspace/app/fontedit/fontedit.c case KC_0:
KC_0 72 uspace/drv/hid/adb-kbd/ctl.c [0x1d] = KC_0,
KC_0 67 uspace/drv/hid/atkbd/atkbd.c [0x45] = KC_0,
KC_0 83 uspace/drv/hid/usbhid/kbd/conv.c [0x27] = KC_0,
KC_0 59 uspace/drv/hid/xtkbd/xtkbd.c [0x0b] = KC_0,
KC_0 453 uspace/lib/vt/src/vt100.c vt100_key(vt, KM_ALT, KC_0, c);
KC_0 1131 uspace/lib/vt/src/vt100.c vt100_key(vt, 0, KC_0, c);
KC_0 1291 uspace/lib/vt/src/vt100.c vt100_key(vt, KM_SHIFT, KC_0, c);
KC_0 87 uspace/srv/hid/input/ctl/stty.c 0, KC_0, 0x30, GSP_END,
KC_0 149 uspace/srv/hid/input/ctl/stty.c KM_SHIFT, KC_0, 0x29, GSP_END,
KC_0 270 uspace/srv/hid/input/ctl/stty.c KM_ALT, KC_0, 0x1b, 0x30, GSP_END,
KC_0 137 uspace/srv/hid/input/ctl/sun.c [0x27] = KC_0,
KC_0 66 uspace/srv/hid/input/layout/ar.c [KC_0] = '0',
KC_0 124 uspace/srv/hid/input/layout/ar.c [KC_0] = '(',
KC_0 153 uspace/srv/hid/input/layout/cz.c [KC_0] = '0',
KC_0 178 uspace/srv/hid/input/layout/cz.c [KC_0] = L'é',
KC_0 193 uspace/srv/hid/input/layout/cz.c [KC_0] = L'É',
KC_0 115 uspace/srv/hid/input/layout/fr_azerty.c [KC_0] = L'À',
KC_0 131 uspace/srv/hid/input/layout/fr_azerty.c [KC_0] = L'à',
KC_0 161 uspace/srv/hid/input/layout/fr_azerty.c [KC_0] = '0',
KC_0 131 uspace/srv/hid/input/layout/us_dvorak.c [KC_0] = '0',
KC_0 161 uspace/srv/hid/input/layout/us_dvorak.c [KC_0] = ')',
KC_0 127 uspace/srv/hid/input/layout/us_qwerty.c [KC_0] = '0',
KC_0 156 uspace/srv/hid/input/layout/us_qwerty.c [KC_0] = ')',
HelenOS homepage, sources at GitHub