--- ray/src/px/ra_im.c	2003/02/22 02:07:27	2.2
+++ ray/src/px/ra_im.c	2004/03/28 20:33:14	2.4
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: ra_im.c,v 2.2 2003/02/22 02:07:27 greg Exp $";
+static const char	RCSid[] = "$Id: ra_im.c,v 2.4 2004/03/28 20:33:14 schorsch Exp $";
 #endif
 /*
  *  ra_im.c - convert Radiance picture to imagetools raw format.
@@ -9,18 +9,21 @@ static const char	RCSid[] = "$Id: ra_im.c,v 2.2 2003/0
 
 #include <stdio.h>
 
+#include "rtprocess.h"
 
 #define PCOMM		"pvalue -h -b -db"
 
 #define MINVAL		1
 #define MAXVAL		252
 
-extern FILE	*popen(), *freopen();
+extern FILE	*freopen();
 
 
-main(argc, argv)
-int	argc;
-char	*argv[];
+int
+main(
+	int	argc,
+	char	*argv[]
+)
 {
 	register int	c;
 	register FILE	*fp;