A pointer to the function to deallocate this buffer if the default function is not sufficient. This could, for example, add the memory back into a memory pool to be reused later without the overhead of reallocating it from scratch.
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A pointer to the function to deallocate this buffer if the default function is not sufficient. This could, for example, add the memory back into a memory pool to be reused later without the overhead of reallocating it from scratch.