--- ray/src/rt/lookamb.c	1992/07/16 12:08:44	2.3
+++ ray/src/rt/lookamb.c	2003/02/25 02:47:22	2.8
@@ -1,18 +1,13 @@
-/* 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"
 
-#include  "color.h"
+#include  "ray.h"
 
 #include  "ambient.h"
 
@@ -25,6 +20,7 @@ AMBVAL  av;
 
 
 main(argc, argv)		/* load ambient values from a file */
+int  argc;
 char  *argv[];
 {
 	FILE  *fp;
@@ -60,13 +56,21 @@ 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
+		setmode(fileno(stdout), O_BINARY);
+#endif
 		putambmagic(stdout);
 		writamb(fp);
 	} else {
+#ifdef MSDOS
+		setmode(fileno(fp), O_BINARY);
+#endif
 		if (checkheader(fp, AMBFMT, header ? stdout : (FILE *)NULL) < 0)
 			goto formaterr;
 		if (!hasambmagic(fp))
@@ -85,6 +89,7 @@ formaterr:
 }
 
 
+void
 lookamb(fp)			/* get ambient values from a file */
 FILE  *fp;
 {
@@ -120,6 +125,7 @@ FILE  *fp;
 }
 
 
+void
 writamb(fp)			/* write binary ambient values */
 FILE  *fp;
 {