in c++

Write a function that count the number of vowels, the number of consonants and the average number of letters in each word. The function accept a C-String (char array) or a string object as an argument and return the number of vowels, number of consonants and the average number of letters in each word. Problem: Requirements: Use pointers as part of the solution. . Read a string from a text file. . Write in a text file the string, the number of vowels, the number of consonants and the average number of letters in each word