void FunctionX(Obj * pObj)
{
   pObj->MemberQ->MemberW->MemberA.function1();
   pObj->MemberQ->MemberW->MemberA.function2();
   pObj->MemberQ->MemberW->MemberB.function1();
   pObj->MemberQ->MemberW->MemberB.function2();
   ..
   pObj->MemberQ->MemberW->MemberZ.function1();
   pObj->MemberQ->MemberW->MemberZ.function2();
}

void FunctionY(Obj * pObj)
{
   W * localPtr = pObj->MemberQ->MemberW;
   localPtr->MemberA.function1();
   localPtr->MemberA.function2();
   localPtr->MemberB.function1();
   localPtr->MemberB.function2();
   ...
   localPtr->MemberZ.function1();
   localPtr->MemberZ.function2();
}