Attempt #2 to implement CD-ROM passthrough.

Still Windows only on the QT side.

src/include/86box/cdrom_ioctl.h

@@ -0,0 +1,32 @@
+/*
+ * 86Box    A hypervisor and IBM PC system emulator that specializes in
+ *          running old operating systems and software designed for IBM
+ *          PC systems and compatibles from 1981 through fairly recent
+ *          system designs based on the PCI bus.
+ *
+ *          This file is part of the 86Box distribution.
+ *
+ *          CD-ROM image file handling module header, translated to C
+ *          from cdrom_dosbox.h.
+ *
+ * Authors: RichardG,
+ *          Miran Grca, <mgrca8@gmail.com>
+ *
+ *          Copyright 2016-2022 RichardG.
+ *          Copyright 2016-2022 Miran Grca.
+ */
+#ifndef CDROM_IOCTL_H
+#define CDROM_IOCTL_H
+
+/* this header file lists the functions provided by
+   various platform specific cdrom-ioctl files */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*CDROM_IOCTL_H*/