C++

gistfile1.cpp

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

int main()
{
	string start;
	cout << "\nWelcome to my DOS messaging program."; //Begin opening
	cout << "\nYou will be able to send messages to people based on their IPv4 address.";
	cout << "\nThis will only work with computers on your local network.";
	cout << "\nWould you like to continue?";
	cout << "\nYes or No: "; //End opening
	cin >> start;
	if(start=="No" || start =="no")
	{
		//goto end; //This jumps to the main ending function at the bottom of the page.
		// ***** No need to goto end, just return right here:
		return 0;
	}
	if(start=="yes" || start =="Yes") //If start is set to Yes, continue to IP entry, if No, quit
	{
		int x = 1; // ***** Random variable set to 1 for the loop...
		
		//ipEntry: //Beggining of IP entry code block
		while (x == 1){
			
			string ip; //String for IP Address storage
			string confirmIP; //Confirms that it is the correct IP
			cout << "\nPlease enter the IPv4 of the computer you want to talk to";
			cout << "\nIPv4: ";
			cin >> ip; //IP Entry
			cout << "\nThe IP you entered is: " << ip << endl;
			cout << "\nIs this correct? Yes or No: ";
			cin >> confirmIP; //Allows user to confirm they inputted the correct IP Address
			
			if(confirmIP == "Yes" || confirmIP == "yes")
					{
						x = 0; // x isn't 1 so it wouldn't loop.
						
						cout << "\nConnecting to host. Please wait."; //Begin the connection to the other host.
						//This is where the network connection should begin. Most likely on a different .cpp document, I just dont know how to do any of that yet.
					}

			else if(confirmIP == "No" || confirmIP == "no")
					{
						x = 1; //Make sure x is still 1, so the loop restarts
					}	
		}
	}
	return 0;
}