--- ray/src/px/ra_rgbe.c	1992/01/03 22:58:08	2.2
+++ ray/src/px/ra_rgbe.c	1992/10/02 16:26:39	2.4
@@ -9,10 +9,16 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
-
+#include  <math.h>
 #include  "color.h"
 #include  "resolu.h"
 
+#ifdef MSDOS
+#include  <fcntl.h>
+#endif
+
+extern char  *malloc();
+
 int  bradj = 0;				/* brightness adjustment */
 
 int  doflat = 1;			/* produce flat file */
@@ -25,7 +31,12 @@ int  argc;
 char  *argv[];
 {
 	int  i;
-	
+#ifdef MSDOS
+	extern int  _fmode;
+	_fmode = O_BINARY;
+	setmode(fileno(stdin), O_BINARY);
+	setmode(fileno(stdout), O_BINARY);
+#endif
 	progname = argv[0];
 
 	for (i = 1; i < argc; i++)
@@ -79,9 +90,8 @@ char  *err;
 
 transfer()		/* transfer Radiance picture */
 {
-	extern double	pow();
 	int	order;
-	int  	xmax, ymax;
+	int	xmax, ymax;
 	COLR	*scanin;
 	register int	x;
 	int	y;