&amp;lat );

                 lon *= <a href="dpr_c.html">dpr_c</a>();
                 lat *= <a href="dpr_c.html">dpr_c</a>();

                 printf( &quot;Boundary vector surface intercept coordinates &quot;
                         &quot;using <a href="surfpt_c.html">surfpt_c</a>:\n&quot;
                         &quot;    Radius    (km) :  %f\n&quot;
                         &quot;    Latitude  (deg):  %f\n&quot;
                         &quot;    Longitude (deg):  %f\n&quot;
                       