Yes.  32-bit applications built with a particular setting can access the full 4GB on 64-bit systems.  But that is the absolute limit of 32-bit addressing.  8, 16, 32768 GB of physical memory can't help here.  That's what 64-bit applications are for. ;)

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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