--- ray/src/px/pinterp.c	2003/10/22 02:06:35	2.39
+++ ray/src/px/pinterp.c	2004/01/02 12:47:01	2.40
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: pinterp.c,v 2.39 2003/10/22 02:06:35 greg Exp $";
+static const char	RCSid[] = "$Id: pinterp.c,v 2.40 2004/01/02 12:47:01 schorsch Exp $";
 #endif
 /*
  * Interpolate and extrapolate pictures with different view parameters.
@@ -94,7 +94,9 @@ int	queuesiz = 0;			/* number of pixels pending */
 
 extern double	movepixel();
 
+static gethfunc headline;
 
+
 main(argc, argv)			/* interpolate pictures */
 int	argc;
 char	*argv[];
@@ -327,9 +329,11 @@ userr:
 }
 
 
-int
-headline(s)				/* process header string */
-char	*s;
+static int
+headline(				/* process header string */
+	char	*s,
+	void	*p
+)
 {
 	char	fmt[32];