Listing 5. Display the numeric information in the window.
  //Display the width and height of the bitmap and the
  // window in the upper-left corner of the window.
  char charArray[20];
  sprintf(charArray, "%d", width);
  textout_ex(screen,font,charArray,10,10,
                                 makecol(255,255,255),-1);
  sprintf(charArray, "%d", height);
  textout_ex(screen,font,charArray,10,20,
                                 makecol(255,255,255),-1);
  sprintf(charArray, "%d", windowWidth);
  textout_ex(screen,font,charArray,10,30,
                                 makecol(255,255,255),-1);
  sprintf(charArray, "%d", windowHeight);
  textout_ex(screen,font,charArray,10,40,
                                 makecol(255,255,255),-1);