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Home/ Questions/Q 434335
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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T20:15:51+00:00 2026-05-12T20:15:51+00:00

Is there a way to convert a vector to a pointer to a pointer

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Is there a way to convert a vector to a pointer to a pointer (ptr-to-ptr).

Background:
I have an arbitrary length set of data stored in a vector. But I have a library of algorithms that accept ptr-to-ptr (for image array access). I need to get the data from my vector to a ptr-to-ptr. How is that possible?

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  1. Editorial Team
    Editorial Team
    2026-05-12T20:15:51+00:00Added an answer on May 12, 2026 at 8:15 pm

    If you have a function void f(int **array) and a vector std::vector<int*> vect you can call f like this: f(&vect[0]). Is this what you were looking for?

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