#!/bin/sh
set -eu
$1 -dM -include linux/input.h - </dev/null | awk '
/\<(KEY_(MAX|MIN_INTERESTING))|(BTN_(MISC|MOUSE|JOYSTICK|GAMEPAD|DIGI|WHEEL|TRIGGER_HAPPY))\>/ { next }
/^#define[ \t]+(KEY|BTN)_[^ ]+[ \t]+[0-9BK]/ { print $2 }
'