#include <iostream>
#include <string.h>// c cstring 
using namespace std;
//string_iteration_Cstrtok1.cpp
int main()
{
	char * chptr1, *chptr2;
	  string str ("The quick brown fox jumps over the lazy dog");
	  string str1 ("The quick, brown fox, jumps over, the lazy dog");
	  string str3;
	  	//new dynamic meomory location, string to char pointer 
	  //Operators new and new[]
	  chptr1 = new char [str.size()+1];
	  strcpy (chptr1, str.c_str());
	  // pointer to pointer
      chptr2=strtok (chptr1," ");
	  while (chptr2!=NULL)
	  {
	    cout << chptr2 << endl;
	    chptr2=strtok(NULL," ");
	  }
	  // new object must be deleted
	  //Operators delete and delete[]
	  delete[] chptr1;  
	 cout << "---------------\n";
     for(int i=0; i<str1.size(); i++)
     {
    	 // string array to a string
    	 str3 = str1[i]; 
    	 if(str3==","){ cout<<"\n" ; }
    	 else 	 {	 cout<<str1[i];  }
   
     }
	 return 0;
}