Аллокатор malloc, как избавиться от CRT

    HANDLE hFile = CreateFile("temp.txt", GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if (hFile == INVALID_HANDLE_VALUE)
    {
 
        cout << "Error CreateFile" << endl;
    }
 
    DWORD dwSize = GetFileSize(hFile, 0);
    DWORD dwBytesRead;
    LPBYTE pBuffer = (LPBYTE)malloc(dwSize);
 
    //LPBYTE pBuffer = (LPBYTE)VirtualAlloc(NULL, sizeof (dwSize), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
 
    if (ReadFile(hFile, pBuffer, dwSize, &dwBytesRead, 0) == NULL)
    {
        cout << "Error ReadFile" << endl;
    }

LPBYTE pBuffer = (LPBYTE)VirtualAlloc(NULL, sizeof (dwSize), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);

if ((pBuffer) == NULL)

LPBYTE pBuffer = (LPBYTE)VirtualAlloc(NULL, dwSize, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);