获得windows版本

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 66  Win32Type IsShellType() 67  { 68      Win32Type  ShellType; 69      DWORD winVer; 70      OSVERSIONINFO *osvi; 71       72      winVer=GetVersion(); 73      if(winVer<0x80000000){/*NT */ 74          ShellType=WinNT3; 75          osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO)); 76          if (osvi!=NULL){ 77              memset(osvi,0,sizeof(OSVERSIONINFO)); 78              osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 79              GetVersionEx(osvi); 80              if(osvi->dwMajorVersion==4L)ShellType=WinNT4; 81              else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==0L)ShellType=Win2000; 82              else if(osvi->dwMajorVersion==5L&&osvi->dwMinorVersion==1L)ShellType=WinXP; 83              free(osvi); 84          } 85      } 86      else if  (LOBYTE(LOWORD(winVer))<4) 87          ShellType=Win32s; 88      else{ 89          ShellType=Win95; 90          osvi= (OSVERSIONINFO *)malloc(sizeof(OSVERSIONINFO)); 91          if (osvi!=NULL){ 92              memset(osvi,0,sizeof(OSVERSIONINFO)); 93              osvi->dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 94              GetVersionEx(osvi); 95              if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==10L)ShellType=Win98; 96              else if(osvi->dwMajorVersion==4L&&osvi->dwMinorVersion==90L)ShellType=WinME; 97              free(osvi); 98          } 99      }100      return ShellType;101  }