http://www.google.com/codesearch?hl=en&q=show:QFXNi0zbrd4:V-tRv2QO2d8:e1Mo5omfbqM&sa=N&ct=rd&cs_p=http://gentoo.osuosl.org/distfiles/X430src-3.tgz&cs_f=xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_kbd.c