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Dereference operator C++

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It dereferences the results of the previous dereference.

int a;
int* pa = &a;
*pa == a;
int** ppa = &pa;
*ppa == pa;
**ppa == *pa == a;

*edit: Naturally, you can do this indefinately.

int*** pppa = &ppa;
*pppa == ppa;
**pppa == *ppa == pa;
***ppa == **ppa == *pa == a;

However, think long and hard if you ever find yourself needing more than two dereferences at a time. There's a chance something is more complicated than it needs to be.


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