// String program - How to enter a string and use the '\0' null string
// character to check for the end of a string. 

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

main()
{  int i = 0;
   char string1[20];
 
   cout << "Enter a string: ";
//  cin >> string1; 
   cin.getline(string1, 20, '\n');
   
   while (i < 20) {
   if (string1[i] == '\0') 
     return(1);
   else {
   cout << string1[i] << " ";
   ++i; }
   } 

   return(0);
}