PE>
  > Where is it documented that if you want to write to the terminal
  > (stdout) you use a file handle of 0 when calling DosWrite?
PE>

  POSIX.1 for a start.  Most OS/2 documentation mentions it as well.

PE>
  > Also, what are the values for stdin and stderr?
PE>

  #include 
  #include 
  #include 

  int
  main ( int, char ** )
  {
      cout << "The file handle for standard input is "
           << STDIN_FILENO
           << endl ;

      cout << "The file handle for standard output is "
           << STDOUT_FILENO
           << endl ;

      cout << "The file handle for standard error is "
           << STDERR_FILENO
           << endl ;

      return EXIT_SUCCESS ;
  }

  If your compiler doesn't have  then it isn't POSIX.1
  compliant, and the values are 0, 1, and 2.  (-:

  > JdeBP <
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