Robuta

https://sourceware.org/pipermail/cygwin-patches/2003q1/003371.html fhandler_dsp.cc (fhandler_dev_dsp::ioctl): add SNDCTL_DSP_GETFMTS support dsp cc dev add support https://cygwin.com/pipermail/cygwin/1999-February/017320.html cross compiler build fail (multiple definition of `fhandler_base::get_native_name(void)', and more) https://inbox.sourceware.org/cygwin-patches/20210202094414.GD4251@calimero.vinschen.de/t/ fhandler_serial.cc: MARK and SPACE parity for serial port serial cc mark space parity