--- ray/src/rt/lookamb.c	1993/11/18 09:43:02	2.5
+++ ray/src/rt/lookamb.c	2003/02/25 02:47:22	2.8
@@ -1,23 +1,14 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: lookamb.c,v 2.8 2003/02/25 02:47:22 greg Exp $";
 #endif
-
 /*
  *  lookamb.c - program to examine ambient components.
- *
- *     10/8/86
  */
 
-#include  <stdio.h>
+#include "copyright.h"
 
-#ifdef MSDOS
-#include  <fcntl.h>
-#endif
+#include  "ray.h"
 
-#include  "color.h"
-
 #include  "ambient.h"
 
 
@@ -65,8 +56,10 @@ char  *argv[];
 		if (header) {
 			if (checkheader(fp, "ascii", stdout) < 0)
 				goto formaterr;
-		} else
+		} else {
+			newheader("RADIANCE", stdout);
 			printargs(argc, argv, stdout);
+		}
 		fputformat(AMBFMT, stdout);
 		putchar('\n');
 #ifdef MSDOS
@@ -96,6 +89,7 @@ formaterr:
 }
 
 
+void
 lookamb(fp)			/* get ambient values from a file */
 FILE  *fp;
 {
@@ -131,6 +125,7 @@ FILE  *fp;
 }
 
 
+void
 writamb(fp)			/* write binary ambient values */
 FILE  *fp;
 {