how to get a section of a string in c 2b 2b

1// string::substr
2#include <iostream>
3#include <string>
4using namespace std;
5
6int main ()
7{
8  string str="We think in generalities, but we live in details.";
9                             // quoting Alfred N. Whitehead
10  string str2, str3;
11  size_t pos;
12
13  str2 = str.substr (12,12); // "generalities"
14
15  pos = str.find("live");    // position of "live" in str
16  str3 = str.substr (pos);   // get from "live" to the end
17
18  cout << str2 << ' ' << str3 << endl;
19
20  return 0;
21}
22