--- os2sdk/demos/apps/mandel/mandel.c	2018/08/09 12:25:13	1.1
+++ os2sdk/demos/apps/mandel/mandel.c	2018/08/09 12:25:58	1.1.1.2
@@ -1,5 +1,6 @@
 /***	Mandel.c - compute and display Mandelbrot set
- *	R. A. Garmoe  86/12/10
+ *
+ *  Created by Microsoft Corp. 1986
  */
 
 
@@ -74,17 +75,14 @@
  *		long	(loop + 1) counters for histogram values
  */
 
+#define  INCL_DOSDEVICES
 
-
-
+#include <os2def.h>
 #include <stdio.h>
-#include <doscalls.h>
+#include <bsedos.h>
 
 int mandinter ();
 
-#define FALSE	0
-#define TRUE	~FALSE
-
 #define MAXREAL 2000		/* maximum number of points in line */
 #define MAXLOOP 1000		/* maximum number of iterations */
 
@@ -111,7 +109,7 @@ struct cmplx {
 
 
 
-char	fp287;			/* 287 processor status from DOSDEVCONFIG */
+char	fp287;			/* 287 processor status from DosDevConfig */
 char	 pmand[60] = "mandel.cnt"; /* file name for loop counts */
 FILE	*fmand;
 
@@ -149,7 +147,7 @@ char	**argv;
 	int    *rl;
 	long	position;
 
-	if (DOSDEVCONFIG ((char far *)&fp287, 3, 0) != 0) {
+	if (DosDevConfig (&fp287, 3, 0) != 0) {
 		printf ("Unable to get fp processor presence flag\n");
 		exit (1);
 	}
@@ -314,7 +312,7 @@ char	**argv;
 				break;
 
 			case 'd':
-				/* specify default device paramters */
+				/* specify default device parameters */
 				argv++;
 				if (strcmp (*argv, "CGA") == 0)
 					arg_device = CGA_DEV;