--- ray/src/px/pextrem.c	2003/02/22 02:07:27	2.5
+++ ray/src/px/pextrem.c	2004/03/28 20:33:14	2.10
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: pextrem.c,v 2.5 2003/02/22 02:07:27 greg Exp $";
+static const char	RCSid[] = "$Id: pextrem.c,v 2.10 2004/03/28 20:33:14 schorsch Exp $";
 #endif
 /*
  * Find extrema points in a Radiance picture.
@@ -7,10 +7,11 @@ static const char	RCSid[] = "$Id: pextrem.c,v 2.5 2003
 
 #include  <stdio.h>
 #include  <math.h>
-#ifdef MSDOS
-#include  <fcntl.h>
-#endif
+#include  <string.h>
+
+#include  "platform.h"
 #include  "color.h"
+#include  "resolu.h"
 
 
 int  orig = 0;
@@ -19,9 +20,14 @@ int  wrongformat = 0;
 
 COLOR  expos = WHTCOLOR;
 
+static gethfunc headline;
 
-headline(s)			/* check header line */
-char  *s;
+
+static int
+headline(			/* check header line */
+	char  *s,
+	void	*p
+)
 {
 	char	fmt[32];
 	double	d;
@@ -44,9 +50,11 @@ char  *s;
 }
 
 
-main(argc, argv)
-int  argc;
-char  *argv[];
+int
+main(
+	int  argc,
+	char  *argv[]
+)
 {
 	int  i;
 	int  xres, yres;
@@ -55,11 +63,8 @@ char  *argv[];
 	COLR  *scan;
 	COLR  cmin, cmax;
 	int  xmin, ymin, xmax, ymax;
-#ifdef MSDOS
-	extern int  _fmode;
-	_fmode = O_BINARY;
-	setmode(fileno(stdin), O_BINARY);
-#endif
+	SET_DEFAULT_BINARY();
+	SET_FILE_BINARY(stdin);
 	for (i = 1; i < argc; i++)	/* get options */
 		if (!strcmp(argv[i], "-o"))
 			orig++;