AW data processing.</p>
    <p>The function returns an integer number in accordance with the <a href="API-notes.html#errors">error
        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="dcrawrite"></a></p>
    <h2>Data Output to Files: Emulation of dcraw Behavior</h2>
    <p>In spite of the abundance of libraries 