--- ray/src/px/ra_hexbit.c	2004/03/28 20:33:14	3.3
+++ ray/src/px/ra_hexbit.c	2019/12/28 18:05:14	3.6
@@ -1,14 +1,13 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: ra_hexbit.c,v 3.3 2004/03/28 20:33:14 schorsch Exp $";
+static const char	RCSid[] = "$Id: ra_hexbit.c,v 3.6 2019/12/28 18:05:14 greg Exp $";
 #endif
 /*
  * Create a 4x1 hex bitmap from a Radiance picture.
  */
 
-#include  <stdio.h>
-#include  <time.h>
-
+#include  "platform.h"
 #include  "color.h"
+#include  "rtio.h"
 #include  "resolu.h"
 
 char  *progname;
@@ -59,6 +58,8 @@ main(
 	}
 				/* assign threshold color */
 	setcolr(threshclr, thresh, thresh, thresh);
+				/* binary input */
+	SET_FILE_BINARY(stdin);
 				/* get our header */
 	if (checkheader(stdin, COLRFMT, NULL) < 0 ||
 			fgetresolu(&xmax, &ymax, stdin) < 0)