C / C++ / MFC

std::string str1="Hello miserable world";
std::str2=str1.substr(6,9); // =="miserable"

// if you want to load from an external DLL:
// (be sure to call FreeLibrary when you're done)
HINSTANCE hInstance = LoadLibrary(pDLLPath);

// or, if you're loading this resource from the current application:
HINSTANCE hInstance = AfxGetInstanceHandle();

HRSRC hRsrc;

// pResourceName is either the numeric ID of your resource (ie. ID_MY_JPEG) 
// or the string name (ie. "MYJPG")

// pResourceType is the custom resource type you've chosen for this resource.
// you assign this when you "import" the data into your EXE/DLL

// find it
if (hRsrc = FindResource(hInstance, pResourceName, pResourceType))
{
    // load it
    HGLOBAL hGlobal = LoadResource(hInstance, hRsrc);

    if (hGlobal)
    {
        // lock it
        BYTE *pImage = (BYTE *)LockResource(hGlobal);
        
        DWORD dwSize = SizeofResource(hInstance, hRsrc);

        .... whatever

        // clean up
        UnlockResource(hGlobal);
        FreeResource(hGlobal);
    }
}