--- ray/src/rt/driver.h	2003/02/25 02:47:22	2.5
+++ ray/src/rt/driver.h	2003/06/07 00:54:58	2.6
@@ -1,8 +1,14 @@
-/* RCSid $Id: driver.h,v 2.5 2003/02/25 02:47:22 greg Exp $ */
+/* RCSid $Id: driver.h,v 2.6 2003/06/07 00:54:58 schorsch Exp $ */
 /*
  *  driver.h - header file for interactive device drivers.
  */
+#ifndef _RAD_DRIVER_H_
+#define _RAD_DRIVER_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
 
+
 #include "copyright.h"
 
 struct driver {				/* driver functions */
@@ -115,20 +121,6 @@ extern char  dev_default[];		/* default device name */
  *	to check for input during calls to paintr.)
  */
 
-#ifdef NOPROTO
-
-extern void	editline();
-extern void	tocombuf();
-extern int	fromcombuf();
-extern struct driver	*slave_init();
-extern struct driver	*comm_init();
-extern int	new_ctab();
-extern int	get_pixel();
-extern void	make_gmap();
-extern void	set_cmap();
-extern void	map_color();
-
-#else
 					/* defined in editline.c */
 extern void	editline(char *buf, int (*c_get)(), void (*s_put)());
 extern void	tocombuf(char *b, struct driver *d);
@@ -143,4 +135,9 @@ extern void	make_gmap(double gam);
 extern void	set_cmap(BYTE *rmap, BYTE *gmap, BYTE *bmap);
 extern void	map_color(BYTE rgb[3], COLOR col);
 
+
+#ifdef __cplusplus
+}
 #endif
+#endif /* _RAD_DRIVER_H_ */
+