--- ray/src/meta/plot.h	2003/02/22 02:07:26	1.1
+++ ray/src/meta/plot.h	2003/07/14 22:24:00	1.3
@@ -1,8 +1,13 @@
-/* RCSid: $Id: plot.h,v 1.1 2003/02/22 02:07:26 greg Exp $ */
+/* RCSid: $Id: plot.h,v 1.3 2003/07/14 22:24:00 schorsch Exp $ */
 /*
  *   Definitions for plotting routines
  */
+#ifndef _RAD_PLOT_H_
+#define _RAD_PLOT_H_
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #define  NPATS  9		/* number of fill patterns */
 
@@ -14,3 +19,13 @@ extern int  dxsize, dysize;	/* device size */
 extern int  pati[];
 
 extern unsigned char  pattern[][PATSIZE/8][PATSIZE];	/* fill patterns */
+
+extern void set(int  attrib, char  *value);
+extern void reset(int  attrib);
+extern void unset(int  attrib);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_PLOT_H_ */
+