C++ String c_str()

str.c_str();

#include<iostream>
#include<cstring>
#include<string>
using namespace std;
int main()
{
 string str="Computer is my favorite subject";
 char* ch=new char[str.length()+1];
 strcpy(ch,str.c_str());
 cout<<"String value is :"<<ch;
return 0;
}

String value is: Computer is my favorite subject