Notes

#include <iostream>
#include <cstring>
#include <string>
using namespace std;

int numberOfVowels(char *);
int numberOfConsonants(char *);

int main(){
char userInput[101];
cout << "Enter a sentence of size 100 or less: "<<endl;
cin.getline(userInput, 101);
char c;

do{
cout << "A) Count the number of vowels in the string" << endl;
cout << "B) Count the number of consonants in the string" << endl;
cout << "C) Count the number of vowels and consonants in the string" << endl;
cout << "D) Enter another string" << endl;
cout << "E) Exit the program" << endl;
cin.get(c);

if(c == 'A')
cout << "The number of vowels in sentence is: " << numberOfVowels(userInput) << endl;
if(c == 'B')
cout << "The number of consonants in sentence is: " << numberOfConsonants(userInput) << endl;
if(c == 'C'){
cout << "The number of vowels in sentence is: " << numberOfVowels(userInput) << endl;
cout << "The number of consonants in sentence is: " << numberOfConsonants(userInput) << endl;
}
if(c == 'D'){
cout << "Enter a sentence of size 100 or less: "<<endl;
cin.getline(userInput, 101);
}

cout << "n-------------------------------------------------------------n";
cin.ignore();
}while(c != 'E');

}

int numberOfVowels(char* inputChar){
int counter = 0;
int numOfVowels = 0;
while(inputChar[counter] != ''){
if(inputChar[counter] == 'A' || inputChar[counter] == 'E' || inputChar[counter] == 'I' || inputChar[counter] == 'O' || inputChar[counter] == 'U'
|| inputChar[counter] == 'a' || inputChar[counter] == 'e' || inputChar[counter] == 'i' || inputChar[counter] == 'o' || inputChar[counter] == 'u')
numOfVowels++;
counter++;
}
return numOfVowels;
}

int numberOfConsonants (char* inputChar){
int counter = 0;
int numOfConsonants = 0;
while(inputChar[counter] != ''){
if(inputChar[counter] != 'A' && inputChar[counter] != 'E' && inputChar[counter] != 'I' && inputChar[counter] != 'O' && inputChar[counter] != 'U'
&& inputChar[counter] != 'a' && inputChar[counter] != 'e' && inputChar[counter] != 'i' && inputChar[counter] != 'o' && inputChar[counter] != 'u'
&& inputChar[counter] != ' ' )
numOfConsonants++;
counter++;
}
return numOfConsonants;
}