in src/main/cpp/bootstrap/utilsfuncs.cpp [437:453]
bool isWow64()
{
BOOL IsWow64 = FALSE;
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process;
fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
if (NULL != fnIsWow64Process)
{
if (!fnIsWow64Process(GetCurrentProcess(),&IsWow64))
{
// handle error
}
}
return IsWow64;
}