--- ray/src/rt/func.h	1991/11/25 09:49:47	2.1
+++ ray/src/rt/func.h	2003/02/25 02:47:22	2.3
@@ -1,12 +1,12 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
-/* SCCSid "$SunId$ LBL" */
-
+/* RCSid $Id: func.h,v 2.3 2003/02/25 02:47:22 greg Exp $ */
 /*
  * Header file for modifiers using function files.
- * Include after standard.h.
+ *
+ * Include after ray.h
  */
 
+#include "copyright.h"
+
 #include  "calcomp.h"
 
 #define  MAXEXPR	9	/* maximum expressions in modifier */
@@ -20,4 +20,18 @@ typedef struct {
 extern XF  unitxf;		/* identity transform */
 extern XF  funcxf;		/* current transform */
 
-extern MFUNC  *getfunc();	/* get MFUNC structure for modifier */
+#ifdef NOPROTO
+
+extern MFUNC	*getfunc();
+extern void	freefunc();
+extern int	setfunc();
+extern void	loadfunc();
+
+#else
+
+extern MFUNC	*getfunc(OBJREC *m, int ff, unsigned int ef, int dofwd);
+extern void	freefunc(OBJREC *m);
+extern int	setfunc(OBJREC *m, RAY *r);
+extern void	loadfunc(char *fname);
+
+#endif