     ./
          for ( i = 0;  i &lt; MAXITR;  i++ )
          {
             et  =  ET0 + i*STEP;

             <b>spkpos_c</b> ( TARGET,    et,   FRAME,  ABCORR,
                        OBSERVER,  pos,  &amp;lt             );

             printf( &quot;\net = %20.10f\n\n&quot;,                 et     );
             printf( &quot;J2000 x-position (km):   %20.10f\n&quot;, pos[0] );
             printf( &quot;J2000 y-position (km):   %20.10f\n&quot;, pos[1] );
             printf( &quot;J2000 z-position (