[转]判断程序是否运行在 Windows x64 系统下

以下功能代码判断是否运行在 Windows x64 下。本例使用 Windows API 函数 IsWow64Process，具体请参考MSDN文档：http://msdn.microsoft.com/en-us/library/ms684139(VS.85).aspx

/**

 *   This program test if this application is a x64 program or

 *   is a x86 program running under Windows x64.

 * 

 * Version:  0.1 C-Lang

 * Author:   Fenying

 * Date:     2013-08-22

 */

#include <windows.h>

#include <tchar.h>

 

typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);

 

/**

 * Don't use the function IsWow64Process as a static function,

 * you should load it by function GetProcAddress, because

 * it is not available on all version of Windows.

 */

LPFN_ISWOW64PROCESS fnIsWow64Process = NULL;

 

/**

 * This function tells if your application is a x64 program.

 */

BOOL Isx64Application() {

    return (sizeof(LPFN_ISWOW64PROCESS) == 8)? TRUE: FALSE;

}

 

/**

 * This function tells if you're under Windows x64.

 */

BOOL IsWow64() {

 

    BOOL bIsWow64 = FALSE;

 

    if (!fnIsWow64Process)

        fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")),"IsWow64Process");

 

    if(fnIsWow64Process)

        if (!fnIsWow64Process(GetCurrentProcess(), &bIsWow64))

            return FALSE;

 

    return bIsWow64;

}

 

int main( void ) {

 

    if (Isx64Application())

        _tprintf(TEXT("The application is a x64 program.\n"));

    else {

        if (!IsWow64())

            _tprintf(TEXT("The application is running under Windows x86.\n"));

        else

            _tprintf(TEXT("The application is a x86 program running under Windows x64.\n"));

    }

 

    return 0;

}

 

 

 

原文地址:http://fenying.blog.163.com/blog/static/10205599320137224339263/