IP Address Validator Program C++

#include <iostream>

#include <vector>

#include <string>

#include <sstream>

#include <cstdlib>

//IP Address Validation program

using namespace std;

vector<string> tokens(string str, char delim);

bool isIPValid(string ip);

int stringToInteger(string str);

void error(string em);

int main() {

}

bool isIPValid(string ip) {

}

vector<string> tokens(string stri, char delim) {

}

//using string stream for converting string to integer

/* the >> operator takes values from a stream as string and then converts to whatever value it is suitable like here int and then assigns teh value for that integer*/

int stringToInteger(string str) {

}