34 (Alphabetical order) Write a program, which uses a function prototype called Alphabetical to determine the lower letter in the alphabet from three characters (e..Jetters) entered by the user. The function prototype would take three lower-case letters as input parameter, and returns the first of the letters in the alphabet. 34 (Alphabetical order) Write a program, which uses a function prototype called Alphabetical to determine the lower letter in the alphabet from three characters (e..Jetters) entered by the user. The function prototype would take three lower-case letters as input parameter, and returns the first of the letters in the alphabet