const int = int const?

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They are both valid code and they are both equivalent. For a pointer type though they are both valid code but not equivalent.

Declares 2 ints which are constant:

int const x1 = 3;
const int x2 = 3;

Declares a pointer whose data cannot be changed through the pointer:

const int *p = &someInt;

Declares a pointer who cannot be changed to point to something else:

int * const p = &someInt;

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