Using - C
  
 Source Code
  

    
#include<stdio.h>
#include<string.h>
      
int checkPalindrome(char str[ ]);

void main() {
	char str[1024];
	printf("Enter a string: ");
	gets(str);
	
	if(checkPalindrome(str))
		printf("It is a palindrome string!");
	else	
		printf("It is not a palindrome string!");
}

int checkPalindrome(char str[ ]) {
	int length, i;
	length = strlen(str);
    
    for(i=0; i < length; i++) { 
		  if(str[i] != str[length-1-i]) {
          return 0;
          }
    }
    return 1;
}
    

Case-1:
---------------------------------
Enter a string:  hello World
It is not a palindrome string!


Case-2:
---------------------------------
Enter a string:  w o w
It is a palindrome string!

        
Using - C++
        
 Source Code
        

        
          #include<iostream>
          #include<string.h>
          using namespace std;
            
          int checkPalindrome(string str);
            
          int main() {
              string str;
              cout<< "Enter a string: ";
              getline(cin,str);
              
                if(checkPalindrome(str))
                  cout<< "It is a palindrome string!";
                else	
                  cout<< "It is not a palindrome string!";
              return 0;
          }
            
          int checkPalindrome(string str) {
            int length, i;
            length = str.length();
                
              for(i=0; i < length; i++) {      
                if(str[i] != str[length-1-i]) {
                  return 0;
                }
              }
               return 1;
          }
      

Case-1:
---------------------------------
Enter a string: momo
It is not a palindrome string!


Case-2:
---------------------------------
Enter a string: radar
It is a palindrome string!