title: Call a function before main
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/4783404/is-main-really-start-of-a-c-program">Is main() really start of a C++ program?</a>  </p>
  </blockquote>
  
  
  
  <p>Is possible to call my function before program's startup? How can i do this work in <code>C++</code> or <code>C</code>?</p>