const int MAX_SIZE = 15; // Max word size of word, allow for '\0' 
 
void reverse(char word[]);     // function prototype 
 
int main() { 
    
  char word[MAX_SIZE]; 
 
  cout << endl << "Enter a word : "; 
  cin >> word; 
  cout << "You entered the word \"" << word << "\"" << endl; 
 
  reverse(word); 
 
  cout << "The word in reverse order is " << word << endl; 

    return 0; 
} // main 
 
void reverse(char word[]) { 
   // you can have local scalar variables of type int and char 
   // However, you cannot have any local array variables 
   // This function will reverse the characters in the array word 
 
    char ch;
    
    for(int i = 0, j = MAX_SIZE; i != j; i++, j--) {
            ch = word[j];
            if( (ch >= 'a' || ch >= 'A' ) && (ch <= 'z' || ch <= 'Z') )
            word[i] = ch;        
        
    } 
 
}

   int a, b, i;    
    
    for(i = 0; word[i] != '\0'; i++) {
        a = i;    
    }
        b = a;
    for(i = 0; i <= b; i++, a--) {
        word[i] = word[a];
    }

word[i] = word[a];

for(i = 0; i <= b; i++, a--)