Q90911: FIX: CodeView Version 4.0 Redirects STDPRN to the Screen

Article: Q90911
Product(s): Microsoft Programming Utilities
Version(s): 4.0,4.01,4.05
Operating System(s): 
Keyword(s): kb16bitonly
Last Modified: 26-JUN-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft CodeView for MS-DOS, versions 4.0, 4.01, 4.05 
-------------------------------------------------------------------------------

SYMPTOMS
========

When version 4.0, 4.01, or 4.05 of CodeView for MS-DOS is used to debug an
application that sends output to STDPRN, the output is redirected to the screen.

RESOLUTION
==========

Reopen STDPRN to the PRN device. The sample code below demonstrates the steps
involved.

STATUS
======

Microsoft has confirmed this to be a problem in CodeView versions 4.0, 4.01, and
4.05. This problem was corrected in CodeView version 4.1.

MORE INFORMATION
================

Sample Code
-----------

  /* Compile options needed: /Od /Zi (/D_DEBUG to work around problem)
  */ 

  #include <stdio.h>

  void main(void)
  {
      fprintf(stdprn, "When running under CV 4.0, this "
                      "is sent to the screen.\n");

  #ifdef _DEBUG
      freopen("PRN", "wb", stdprn);

      fprintf(stdprn, "When running under CV 4.0, this "
                      "is sent to the printer.\n");
  #endif

  }

Additional query words: 4.00 4.01 4.05

======================================================================
Keywords          : kb16bitonly 
Technology        : kbAudDeveloper kbCodeView kbZNotKeyword3 kbCodeView400DOS kbCodeView401DOS kbCodeView405DOS
Version           : :4.0,4.01,4.05
Solution Type     : kbfix

=============================================================================

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