--- os2sdk/demos/examples/pipes/pipes.c	2018/08/09 12:25:13	1.1
+++ os2sdk/demos/examples/pipes/pipes.c	2018/08/09 12:26:11	1.1.1.2
@@ -1,22 +1,31 @@
 /***	pipes.c - parent program
  *
- *	Example of DOSMAKEPIPE usage in parent/child communication
+ *	Example of DosMakePipe usage in parent/child communication
  *
  *	This program gets some shared memory, makes a pipe, writes
  *	a string into it, and then execs a child.  The child gets
  *	the shared memory segment, then reads from the pipe using
  *	the handle passed in the shared memory segment.
+ *
+ * Created by Microsoft Corp. 1987
  */
+
+#define INCL_DOSPROCESS
+#define INCL_DOSFILEMGR
+#define INCL_DOSMEMMGR
+#define INCL_DOSQUEUES
+
+#include <os2def.h>
 #include <stdio.h>
-#include <doscalls.h>
+#include <bsedos.h>
 
 typedef struct {			/* structure of shared mem segment */
-	unsigned read_handle;		/* pipe read handle */
-	unsigned write_handle;		/* pipe write handle */
+	SHANDLE  read_handle;		/* pipe read handle */
+	SHANDLE  write_handle;		/* pipe write handle */
 } SharedData;
 
 SharedData far *fp;			/* pointer to shared memory */
-unsigned mem_handle;			/* selector of the allocated segment */
+SEL mem_handle; 			/* selector of the allocated segment */
 
 
 main()
@@ -28,21 +37,21 @@ main()
 	char *pgmname = "pchild.exe";	/* name of child program */
 	int i;
 	int retcode;			/* holds return code from call */
-	struct ResultCodes tcodes;	/* termination codes from DosExecPgm */
+	RESULTCODES	   tcodes;	/* termination codes from DosExecPgm */
 	unsigned far *fpinit;		/* pointer to shared memory */
-	unsigned buflen;		/* DosWrite buffer length */
-	unsigned memsiz = 1024;		/* size of memory segment requested */
-	unsigned pipe_size;		/* size to reserve for the pipe */
-	unsigned written;		/* number bytes written by DosWrite */
+	USHORT buflen;			/* DosWrite buffer length */
+	USHORT memsiz = 1024;		/* size of memory segment requested */
+	USHORT pipe_size;		/* size to reserve for the pipe */
+	USHORT written; 		/* number bytes written by DosWrite */
 
 	/* allocate 1k shared memory segment and initialize it */
 	printf("Getting shared memory segment\n");
-	retcode = DOSALLOCSHRSEG( memsiz, (char far *)pname,
-			(unsigned far *)&mem_handle);
+	retcode = DosAllocShrSeg( memsiz, (PSZ)pname,
+			(PSEL)&mem_handle);
 
 	/* create pointers to shared memory segment */
-	fp = (SharedData far *)(((unsigned long)mem_handle << 16) | 0);
-	fpinit = (unsigned far *)(((unsigned long)mem_handle << 16) | 0);
+	fp = (SharedData far *)MAKEP(mem_handle,0);
+	fpinit = (unsigned far *)MAKEP(mem_handle,0);
 
 	/* zero initialize the segment */
 	for (i = 0; i < memsiz / 2; i++) {
@@ -53,8 +62,8 @@ main()
 	/* make the pipe */
 	pipe_size = 0;			/* use default size */
 	printf("Making the pipe\n");
-	retcode = DOSMAKEPIPE((unsigned far *)&fp->read_handle,
-			(unsigned far *)&fp->write_handle, pipe_size);
+	retcode = DosMakePipe((PHFILE)&fp->read_handle,
+			(PHFILE)&fp->write_handle, pipe_size);
 
 	if ( retcode ) {
 	    printf("DosMakePipe returned error %d, aborting\n", retcode);
@@ -66,8 +75,8 @@ main()
 
         /* write string to pipe */
 	buflen = strlen(writeout) + 1;
-	if( retcode = DOSWRITE( fp->write_handle, (char far *)writeout,
-			buflen, (unsigned far *)&written)) {
+	if( retcode = DosWrite( fp->write_handle, (PCHAR)writeout,
+			buflen, &written)) {
                 printf("Write to pipe failed, retcode %d\n", retcode);
                 exit(2);
         }
@@ -77,10 +86,9 @@ main()
         
         /* create the child */
 	printf("Creating child\n");
-	retcode = DOSEXECPGM( (char far *)exec_buf, 100, 0,
-			(unsigned far *)0L,
-			(unsigned far *)0L,
-			(struct ResultCodes far *)&tcodes, pgmname );
+	retcode = DosExecPgm( exec_buf, 100, EXEC_SYNC,
+			(PSZ)0L, (PSZ)0L,
+			&tcodes, pgmname );
 
 	if ( retcode )
                 printf("DosExecPgm of child error %d\n", retcode);
@@ -88,9 +96,9 @@ main()
 		printf("Back in parent\n");
 	
 	/* close the pipe */
-	DOSCLOSE( fp->read_handle );
-	DOSCLOSE( fp->write_handle );
+	DosClose( fp->read_handle );
+	DosClose( fp->write_handle );
 
-	DOSEXIT(1,0);	/* Terminate, kill any dangling children */
+	DosExit(EXIT_PROCESS,0);   /* Terminate, kill any dangling children */
 
 }