Hello, The brlapi_getParameterAlloc(BRLAPI_PARAM_DRIVER_CODE, 0, BRLAPI_PARAMF_GLOBAL); Is missing an argument. Which one? Regards, Eric -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://brltty.app/pipermail/brltty/attachments/20191208/328c1b13/attachment.html>