 with the <a href="API-notes.html#errors">return
        code convention</a>: positive if any system call has returned an error,
      negative (from the <a href="API-datastruct.html#LibRaw_errors">LibRaw
        error list</a>) if there has been an error situation within LibRaw.</p>
    <p><a name="free_image"></a></p>
    <h3>void LibRaw::free_image</h3>
    <p>This function releases the imgdata.image buffer allocated by raw2image();</p>
    <p>This method should be called if current postprocessing result