Thread: An interview question

  1. #1
    Eager young mind
    Join Date
    Jun 2006

    An interview question

    Is there a way to do this :
    Write a C program, that when executed on a windows machine, it prints " MSWorld" and when executed on a unix machine , it prints "UNIX"
    In the middle of difficulty, lies opportunity

  2. #2
    Deathray Engineer MacGyver's Avatar
    Join Date
    Mar 2007
    You could look into using preprocessor directives to detect what O/S you're compiling on, and only compile the code for that O/S. #ifdef is probably what you want.

  3. #3
    Woof, woof! zacs7's Avatar
    Join Date
    Mar 2007
    Not without recompiling it for the target OS as MacGyver said.

  4. #4
    Anirban Ghosh
    Join Date
    Jan 2006
    #ifndef __unix__
    #error "This section will only work on UNIX systems"

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