Method getElement

src/common/classes/alloc.cpp:1606–1615

	{ }

	static MemBlock* getElement(MemBlock** from)
	{
		MemBlock* rc = SemiDoubleLink::pop(*from);
		if (rc)
		{
			MemMediumHunk* hunk = rc->getHunk();
			hunk->incrUsage();
		}
		return rc;
	}

	void putElement(MemBlock** to, MemBlock* block);