conversion of  julia.c  to html:<br>
<pre>
<span style="color: #ffff00">#include </span>&lt;stdio.h&gt;
<span style="color: #ffff00">#include </span>&lt;math.h&gt;
<span style="color: #ffff00">#include </span>&lt;stdlib.h&gt;

main(<span style="color: #ff0000">int </span>argc,<span style="color: #ff0000"> char </span>*argv[])
{
<span style="color: #ff0000">  int </span>itermax = 100;    <span style="color: #0000ff">/* maximum iters to do /*</span>
<span style="color: #ff0000">  double </span>breakout=1000000.;  <span style="color: #0000ff">/* z^2 greater than this is a breakout /*</span>
<span style="color: #ff0000">  double </span>magnify=10;    <span style="color: #0000ff">/* 10 is standard magnification  /*</span>
<span style="color: #ff0000">  double </span>cr=-.7492;
<span style="color: #ff0000">  double </span>ci=.1; <span style="color: #0000ff">/* ci=.1 /*</span>
<span style="color: #ff0000">  double </span>x0=.09950;
<span style="color: #ff0000">  double </span>y0=-.00062;
<span style="color: #ff0000">  int </span>hxres = 500;    <span style="color: #0000ff">/* horizontal resolution    /*</span>
<span style="color: #ff0000">  int </span>hyres = 500;    <span style="color: #0000ff">/* vertical resolution    /*</span>
<span style="color: #ff0000">  double </span>x,xx,y,xl,yl,zsq,zm,rb;
<span style="color: #ff0000">  int </span>iter,hx,hy;
<span style="color: #ff0000">  int </span>red,green,blue;
<span style="color: #ff0000">  FILE </span>*ofp;

  rb=sqrt(breakout);
  ofp=fopen("julia.ppm","w");
<span style="color: #ff00ff">  if </span>(argc&gt;1) sscanf(argv[1],"%lf",&magnify); 
<span style="color: #ff00ff">  if </span>(argc&gt;2) sscanf(argv[2],"%d",&itermax); 
<span style="color: #ff00ff">  if </span>(argc&gt;3) sscanf(argv[3],"%lf",&cr); 
<span style="color: #ff00ff">  if </span>(argc&gt;4) sscanf(argv[4],"%lf",&ci); 
<span style="color: #ff00ff">  if </span>(argc&gt;5) sscanf(argv[5],"%lf",&x0); 
<span style="color: #ff00ff">  if </span>(argc&gt;6) sscanf(argv[6],"%lf",&y0); 
  <span style="color: #0000ff">/* header<span style="color: #00ff00"> for </span>PPM output /*</span>
  fprintf(ofp,"P6\n# magnify=%lf itermax=%d\n",magnify,itermax);
  fprintf(ofp,"%d %d\n255\n",hyres,hxres);

<span style="color: #00ff00"> for </span>(hy=1;hy&lt;=hyres;hy++)  {
<span style="color: #00ff00"> for </span>(hx=1;hx&lt;=hxres;hx++)  {
      y = 4*((hyres+1-hy-.5)/hyres-0.5)/magnify+y0;
      x = 4*((hx-.5)/hxres-0.5)/magnify+x0;
      zm=0;
<span style="color: #00ff00"> for </span>(iter=1;iter&lt;itermax;iter++)  {
        xl=x;
        yl=y;
        xx = x*x-y*y+cr;
        y = 2.0*x*y+ci;
        x = xx;
        zsq=x*x+y*y;
<span style="color: #ff00ff">        if </span>(zsq &gt; zm) zm=zsq;
<span style="color: #ff00ff">        if </span>(zsq&gt;breakout) break;
      }
<span style="color: #ff00ff">      if </span>(iter&gt;=itermax){
        red=0;
        green=255.*zm/breakout;
        blue=255.*zm/breakout;
      }
<span style="color: #ff00ff">      else{
 </span>       red=255*(rb+xl)/(2*rb);
        green=0;
        blue=.5*255*(rb+yl)/(2*rb);
      }
      fputc((char)red,ofp);
      fputc((char)green,ofp);
      fputc((char)blue,ofp);
    }
  }
  fclose(ofp);
  system("xv julia.ppm");
}

</pre>