int main()
  7 {
  8 char sentence;
  9 cout << "Please put a sentence in.\n";
 10 cin >> sentence;
 11 void reverse(char* string)
 12 {
 13    int len = strlen(string);
 14    for (int i; i < len / 2; i++){
 15       char temp = string[i];
 16       string[i] = string[len - i - 1];
 17       string[len - i - 1] = temp;
 18    }
 19 }
 20 }