KBD_SCANCODE_SET_EXTENDED_SPECIAL 164 uspace/drv/hid/atkbd/atkbd.c #define KBD_SCANCODE_SET_EXTENDED_SPECIAL 0xe1 KBD_SCANCODE_SET_EXTENDED_SPECIAL 159 uspace/drv/hid/xtkbd/xtkbd.c #define KBD_SCANCODE_SET_EXTENDED_SPECIAL 0xe1HelenOS homepage, sources at GitHub