=======================
Zdrojový a strojový kód
=======================
------------
Zdrojový kód
------------

r.buffer/main.c::

     .......
 	/* need to keep track of distance zones - in memory.
 	 * process MAX_DIST at a time
 	 *
 	 * Coding: 0 == not-yet determined, 1 == input cells,
 	 *         2 == distance zone #1,   3 == distance zone #2, etc.
 	 */
 
     read_input_map (input, mapset, ZEROFLAG);
 
     offset = 0;
 
     nsteps = (count - 1) / MAX_DIST + 1;
 	
     pd = distances;
     for (step = 1; count > 0; step++)  {
         if (nsteps > 1)
             G_message(_("Pass %d (of %d)"), step, nsteps);
 	ndist = count;
 	if (ndist > MAX_DIST)
 	    ndist = MAX_DIST;
 	if(count_rows_with_data > 0) 
 	    execute_distance();
 	write_output_map(output, offset);
 	offset += ndist;
 	distances += ndist;
 	count -= ndist; }

------------
Strojový kód
------------
::

    ...
    0000e80: 2e30 0000 0000 0100 0100 0000 0000 0100  .0..............
    0000e90: 0100 0000 0100 0100 0100 0000 0100 0000  ................
    0000ea0: 0100 0100 0000 0100 0000 0100 0000 0100  ................
    0000eb0: 0100 0000 0000 0000 0200 0000 0100 0100  ................
    0000ec0: 0000 0000 0100 0000 0100 0100 0000 0000  ................
    0000ed0: 0000 0100 0000 0000 0100 0000 0000 0200  ................
    0000ee0: 0000 0000 0200 0100 0000 0000 0100 0100  ................
    0000ef0: 0100 0100 0100 0100 0300 0000 0000 0000  ................
    0000f00: 0200 0000 0100 0000 0000 0000 0100 0100  ................
    0000f10: 0100 0000 0000 0000 0000 0000 0000 0200  ................
    0000f20: 0200 0100 0100 0100 0100 0000 0100 0100  ................
    0000f30: 0200 0100 0000 0100 0000 0200 0100 0200  ................
    0000f40: eb02 0000 1000 0000 0000 0000 1469 690d  .............ii.
    0000f50: 0000 0300 e304 0000 1000 0000 1069 690d  .............ii.
    ...