void Reboot (void)
 {
     HFILE  hf;
     ULONG dummy;
     ULONG rc;

     rc = DosOpen("DOS$", &hf, &dummy, 0L, FILE_NORMAL, FILE_OPEN,
         OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYNONE |
         OPEN_FLAGS_FAIL_ON_ERROR, NULL);
     if(!rc)
     {
        printf ("\nShutdown...");
        rc = DosShutdown(0L);
        if (rc) ErrorProc(rc);

        /* 32-Bit reboot */
        DosDevIOCtl( hf, 0xd5, 0xab, NULL, 0, NULL, NULL, 0, NULL );

        /* old 16-bit reboot
        DosDevIOCtl(NULL, NULL, 0xab, 0xd5, hf);
        */
        DosClose(hf);
     }
     else
       printf ("\nDOS.SYS not installed. Can't Reboot.");
 }

--- Maximus/2 2.01