The original Win98 code (as intended by Bill Gates):

#include "win31.h"
#include "win95.h"
#include "evenmore.h"
#include "oldstuff.h"
#include "billrulz.h"
#define INSTALL = HARD
char make_prog_look_big[1600000];
void main ()
{
  while (!CRASHED)
    {
      display_copyright_message ();
      display_bill_rules_message ();
      do_nothing_loop ();
      if (first_time_installation)
        {
          make_50_megabyte_swapfile ();
          do_nothing_loop ();
          totally_screw_up_HPFS_file_system ();
          search_and_destroy_the_rest_of_OS/2 ();
          hang_system ();
        }
      write_something (anything);
      display_copyright_message ();
      do_nothing_loop ();
      do_some_stuff ();
      if (still_not_crashed)
        {
          display_copyright_message ();
          do_nothing_loop ();
          basically_run_windows_3.1 ();
          do_nothing_loop ();
          do_nothing_loop ();
        }
    }
  if (detect_cache ())
    disable_cache ();
  if (fast_cpu ())
    {
      set_wait_states (lots);
      set_mouse (speed, very_slow);
      set_mouse (action, jumpy);
      set_mouse (reaction, sometimes);
    }
  /* printf("Welcome to Windows 3.11"); */
  /* printf("Welcome to Windows 95"); */
  printf ("Welcome to Windows 98");
  if (system_ok ())
    crash (to_dos_prompt);
  else
    system_memory = open ("a:\swp0001.swp", O_CREATE);
  while (something)
    {
      sleep (5);
      get_user_input ();
      sleep (5);
      act_on_user_input ();
      sleep (5);
    }
  create_general_protection_fault ();
}