title: what is character for end of file of filestream?
body: <p>i am searching in a while loop for a particular character to check whether it reached the end of file.</p>
  
  <p>Which character which i can search for ??</p>
  
  <p>Eg: </p>
  
  <pre><code>Indexof('/n')  end of line
  Indexof(' ') end of word
  ???? ---------- end of file??
  </code></pre>