C语言的dos下重启机器的程序

#include   <stdio.h>
  void   reboot()  {
            asm{
                  mov   ax,0ffffh
                  push   ax
                  xor   ax,ax
                  push   ax
                  retf
          }
  } 

  void   main()
  { 

          printf(”Please   press   any   key   to   reboot…\n”); 
          getch();
          reboot();
  }

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