title: C error conflicting types
body: <p>i have following error</p>
  
  <pre><code>error : conflicting types for 'sprintf'
  error : conflicting types for 'vsprintf'
  error : conflicting types for 'vprintf'
  error : conflicting types for 'select'
  </code></pre>
  
  <p>in my header file, the code is</p>
  
  <pre><code>extern char *sprintf(char*,const char*,... )
  </code></pre>
  
  <p>actually i include <code>#include &lt;stdio.h&gt;</code></p>
  
  <p>but for solaries we write as</p>
  
  <pre><code># ifndef HPUX
  extern char *sprintf(char*,const char*,... )
  </code></pre>