For C++.

Question 6 Given the following definition for the array: const char letters[4] = {'a', 'b', 'c': 'd'}; Suppose we want to pass the array to the function processArray in the following manner: processArray(letters, 4); Which of the following function headers is the correct one for the processArray function? Ovoid processArray(char* const arr, int size) Ovoid processArray(const char *arr, int size)