#include <windows.h>
#include <stdio.h>
#define BUFSIZE 80
BOOL GetOSVer(char *szOSName);
int main()
{
char szname[MAX_PATH];
memset(szname,0,MAX_PATH);
BOOL bRet = GetOSVer(szname);
printf("Your Os version is %s\n ",szname);
return 0;
}
BOOL GetOSVer(char *szname)
{
OSVERSIONINFOEX osvi;
BOOL bOsVersionInfoEx;
// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
// If that fails, try using the OSVERSIONINFO structure.
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) )
{
osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) )
return FALSE;
}
switch (osvi.dwPlatformId)
{
// Test for the Windows NT product family.
case VER_PLATFORM_WIN32_NT:
// Test for the specific product family.
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2 )
strcpy(szname,"Microsoft Windows Server 2003 family, ");
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
strcpy(szname,"Microsoft Windows XP ");
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
strcpy(szname,"Microsoft Windows 2000 ");
if ( osvi.dwMajorVersion <= 4 )
strcpy(szname,"Microsoft Windows NT ");
// Test for specific product on Windows NT 4.0 SP6 and later.
if( bOsVersionInfoEx )
{
// Test for the workstation type.
if ( osvi.wProductType == VER_NT_WORKSTATION )
{
if( osvi.dwMajorVersion == 4 )
strcat(szname, "Workstation 4.0 " );
else if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
strcat(szname, "Home Edition " );
else
strcat(szname, "Professional " );
}
// Test for the server type.
else if ( osvi.wProductType == VER_NT_SERVER )
{
if( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2 )
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
strcat(szname, "Datacenter Edition " );
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
strcat(szname, "Enterprise Edition " );
else if ( osvi.wSuiteMask == VER_SUITE_BLADE )
strcat(szname, "Web Edition " );
else
strcat(szname, "Standard Edition " );
}
else if( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
strcat(szname, "Datacenter Server " );
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
strcat(szname, "Advanced Server " );
else
strcat(szname, "Server " );
}
else // Windows NT 4.0
{
if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
strcat(szname,"Server 4.0, Enterprise Edition " );
else
strcat(szname, "Server 4.0 " );
}
}
}
else // Test for specific product on Windows NT 4.0 SP5 and earlier
{
HKEY hKey;
char szProductType[BUFSIZE];
DWORD dwBufLen=BUFSIZE;
LONG lRet;
lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
"SYSTEM\\CurrentControlSet\\Control\\ProductOptions",
0, KEY_QUERY_VALUE, &hKey );
if( lRet != ERROR_SUCCESS )
return FALSE;
lRet = RegQueryValueEx( hKey, "ProductType", NULL, NULL,
(LPBYTE) szProductType, &dwBufLen);
if( (lRet != ERROR_SUCCESS) || (dwBufLen > BUFSIZE) )
return FALSE;
RegCloseKey( hKey );
if ( lstrcmpi( "WINNT", szProductType) == 0 )
strcat(szname, "Workstation " );
if ( lstrcmpi( "LANMANNT", szProductType) == 0 )
strcat(szname, "Server " );
if ( lstrcmpi( "SERVERNT", szProductType) == 0 )
strcat(szname,"Advanced Server " );
printf( "%d.%d ", osvi.dwMajorVersion, osvi.dwMinorVersion );
}
// Display service pack (if any) and build number.
if( osvi.dwMajorVersion == 4 &&
lstrcmpi( osvi.szCSDVersion, "Service Pack 6" ) == 0 )
{
HKEY hKey;
LONG lRet;
// Test for SP6 versus SP6a.
lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix\\Q246009",
0, KEY_QUERY_VALUE, &hKey );
if( lRet == ERROR_SUCCESS )
printf( "Service Pack 6a (Build %d)\n", osvi.dwBuildNumber & 0xFFFF );
else // Windows NT 4.0 prior to SP6a
{
printf( "%s (Build %d)\n",
osvi.szCSDVersion,
osvi.dwBuildNumber & 0xFFFF);
}
RegCloseKey( hKey );
}
else // Windows NT 3.51 and earlier or Windows 2000 and later
{
printf( "%s (Build %d)\n",
osvi.szCSDVersion,
osvi.dwBuildNumber & 0xFFFF);
}
break;
// Test for the Windows 95 product family.
case VER_PLATFORM_WIN32_WINDOWS:
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
{
strcpy(szname,"Microsoft Windows 95 ");
if ( osvi.szCSDVersion[1] == 'C' || osvi.szCSDVersion[1] == 'B' )
strcat(szname,"OSR2 " );
}
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
{
strcpy(szname,"Microsoft Windows 98 ");
if ( osvi.szCSDVersion[1] == 'A' )
strcat(szname,"SE " );
}
if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
{
strcpy(szname,"Microsoft Windows Millennium Edition\n");
}
break;
case VER_PLATFORM_WIN32s:
printf ("Microsoft Win32s\n");
break;
}
// getchar();
return TRUE;
}