判断进程是64bit还是32bit

#pragma
region 
Includes
#include
<stdio.h>
#include 
<windows.h>
#pragma
endregion
BOOL  DoesWin32MethodExist(PCWSTR pszModuleName, PCSTR pszMethodName){
HMODULE hModule = GetModuleHandle(pszModuleName);
if (hModule == NULL){
return FALSE;
}
return (GetProcAddress(hModule, pszMethodName) != NULL);
}
BOOL Is64BitOperatingSystem(){
#if defined(_WIN64)
return TRUE; // 64-bit programs run only on Win64
#elif
defined(_WIN32)
// 32-bit programs run on both 32-bit and 64-bit Windows
BOOL f64bitOS = FALSE;
return (DoesWin32MethodExist(L"kernel32.dll", "IsWow64Process") && (
IsWow64Process(GetCurrentProcess(), &f64bitOS) && f64bitOS));
#else
return FALSE; // 64-bit Windows does not support Win16
#endif
}
BOOL Is64BitProcess(HANDLE hProcess)
{BOOL f64bitProc = FALSE;
if (Is64BitOperatingSystem())
{
f64bitProc = !(IsWow64Process(hProcess, &f64bitProc) && f64bitProc
);
}
return f64bitProc;
}
int wmain(int argc, wchar_t* argv[])
{if (argc> 1)
{
DWORD dwProcessId = _wtoi(argv[1]);
if (dwProcessId == 0 /*conversion failed*/){
wprintf(L"Invalid process ID.\n");
return 1;
}
HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
if (hProcess != NULL){
BOOL f64bitProc = Is64BitProcess(hProcess);
wprintf(L"The process is a %bit process.\n", f64bitProc ? L"64" : L"32");
CloseHandle(hProcess);
}
else
{wprintf(L"OpenProcess(%d) failed w/err 0x%08lx\n", dwProcessId, GetLastError());
}
}
else
{
BOOL f64bitProc = Is64BitProcess(GetCurrentProcess());
wprintf(L"Current process is a %bit process.\n", f64bitProc ? L"64" : L"32");
}
return 0;
}

http://www.cnblogs.com/lzjsky/archive/2010/12/01/1893169.html

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