Write a function, which takes an array of characters and finds how many letter 'h' or 'h' or 'b' is in the array. two input arguments of the function are the base address of the array and its size. the function returns a number, which indicates how many characters in the array are h or 'h' or 'b' (b) write the main program, which calls this function using array size of 20. test your code using spim.