--- os2sdk/demos/examples/pipes/pc.c	2018/08/09 12:25:13	1.1.1.1
+++ os2sdk/demos/examples/pipes/pc.c	2018/08/09 12:26:10	1.1.1.2
@@ -3,8 +3,14 @@
  * is a filter which transliterates lower case
  * characters into upper case and passes others
  * through unchanged.
+ *
+ * Created by Microsoft Corp. 1987
  */
-#include <doscalls.h>
+
+#define INCL_DOSPROCESS
+
+#include <os2def.h>
+#include <bsedos.h>
 #include <stdio.h>
 
 main()
@@ -15,5 +21,5 @@ main()
 		putchar(toupper(c));
 	printf("Child saw an EOF\n");
 	fflush(stdout);
-	DOSEXIT(0,0);
+	DosExit(EXIT_THREAD,0);
 }