// absolute.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include<iostream>
#include<string>

 using namespace std;




int _tmain(int argc, _TCHAR* argv[])
{
     

      int i=0, j=0,k=0,l=0;  string yes1;bool outcome;int u=0,v=0,w=0;
      string arr[4 ][4]={{"Name","Plot #", "Cost", "Address"}, {"john", "1121", "Rs.1000", "62 johar TOWN LAHORE"}, {"jonty", "1123", "Rs.100000", "56 model LAHORE"},{"bruce", "65", "Rs.20000", "55 model TOWN LAHORE"}};
	  
	  outcome=true;

	 
	

	  while(outcome==true)
	  {

	  string plotnumber="1"; string NameLandlord="1"; char plotnumberr[15]="1",NameLandlordd[15]="1";u=0,v=0,w=0; outcome=true;
      cout<<"To access info by name type 1 and press enter"<<endl<<endl;
      cout<<"To access info by #plot type 2 and press enter"<<endl;
	  cout<<endl;
      cin>>k;
	  

if(k==1)
{  
	cout<<endl;
	cout<<"enter the name of the landlord";
	cin>>NameLandlord;
	
	 for(int w=0;NameLandlord[w]!='\0';w++)
	 {
		 NameLandlordd[w]=NameLandlord[w];

		 
	 }
}
else

{    cout<<endl;
     cout<<"Enter plot number"<<endl;
     cin>>plotnumber;
	 for(int w=0;plotnumber[w]!='\0';w++)
	 {
		 plotnumberr[w]=plotnumber[w];

		 
	 }

	 
}	

while(i<4)
{ 
	
     j=0;
while(j<4)
{
	u=1;
	while(((plotnumberr[u]==arr[i][j][u])||(NameLandlordd[u]==arr[i][j][u]))&&((NameLandlordd[u]!='\0')&&(plotnumberr[u]!='\0')))
	{
    u++;

	
	if(((plotnumberr[u]!=arr[i][j][u])&&(plotnumberr[u]!='\0'))||((NameLandlordd[u]!=arr[i][j][u])&&(NameLandlordd[u]!='\0')))
	{
		v=2;
	}
	else if((NameLandlordd[u]=='\0')||(plotnumberr[u]=='\0'))
	{
		
		v=1; // Why does we never become 1 even when user enters a string matching to
		i=4;    the one in the array for example john or John?
	}
	}

if(((plotnumber==arr[i][j])&&(v==1))||((NameLandlord==arr[i][j])&&(v==1)))
{
	 cout<<endl;
     cout<<arr[0][0]<<"   ";
     cout<<arr[0][1]<<"   ";
     cout<<arr[0][2]<<"        ";
     cout<<arr[0][3]<<"   "<<endl<<endl;
     cout<<arr[i][0]<<"  ";
     cout<<arr[i][1]<<"   ";

     cout<<arr[i][2]<<"   ";
     cout<<arr[i][3]<<"   "<<endl;
     cout<<endl;
	 
}


	j++;


	


    


}

i++;

}
cout<<"You wanna keep going?";
cin>>yes1;
if(yes1=="yes")
{
	outcome=true;
	i=0;
}
else
{
	outcome=false;
}
	  } 
	  cout<<v;

       system("pause");
     return 0;
	 }

Why does v never become 1 even when user enters a string matching to the one in the array for example john or John?

You're comparing the character to NULL to to drop into that section of code?

Do STL strings have NULL termination or do you need to call .c_str()?