: %s\n",libraw_strprogress(p),iteration,expected,passed_string);<br>    if(timeout || key_pressed )<br>        return 1; // cancel processing immediately<br>    else<br>        return 0; // can continue<br>}</pre>
    <p><a name="exif"></a></p>
    <h4>User-specified exif tag parser callback</h4>
    <pre>       typedef void (*exif_parser_callback) (void *context, int tag, int type, int len,unsigned int ord, void *ifp);<br>       void    LibRaw::set_exifparser_handler( exif_parser_callback cb,void *context)