DDC/I2C/SMBus overhaul (incomplete, commit for the night)

src/include/86box/vid_ddc.h

@@ -1,4 +1,24 @@
-void ddc_init(void);
-void ddc_i2c_change(int new_clock, int new_data);
-int ddc_read_clock(void);
-int ddc_read_data(void);
+/*
+ * 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.
+ *
+ *		DDC monitor emulation definitions.
+ *
+ *
+ *
+ * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
+ *		RichardG, <richardg867@gmail.com>
+ *
+ *		Copyright 2008-2020 Sarah Walker.
+ *		Copyright 2020 RichardG.
+ */
+#ifndef EMU_VID_DDC_H
+# define EMU_VID_DDC_H
+
+extern void	ddc_init(void *i2c);
+
+#endif	/*EMU_VID_DDC_H*/