title: call objective-c method from extern "C"
body: <p>I have one temp.mm class which contains implementation for test class &amp; extern "C" class. I am trying to call objective-c method in extern "c" class(i.e. testMethod &amp; testMethod1).
  How can i call objective-c method in extern "C" class function?.</p>
  
  <p>I am new to Objective-c</p>
  
  <p>I mention the example code below..</p>
  
  <pre><code>import&lt;test.h&gt;
  @implement test
  
  -(void)testMethod
  {
  //code
  }
  
  -(NSString*)testMethod1:(NSString *)value
  {
     //code
     return value;
  }
  
  void callMethod()
  {
     how to call testMethod &amp; testMethod1 in this also?
  }
  
  @end
  
  extern "C"
  {
  how to call testMethod &amp; testMethod1?
  }
  </code></pre>