how to calculate the size of a string constant in vc++

[vctiger]

could someone tell me how to calculate the size of a string constant?Thanks . The following is my source code which contain few bugs in it.
#include <iostream>
#include <string>
using namespace std;


int main()
{
string s="hello world";
int *ptr;
int i=0;
int length;



while((*ptr)!=' \0')
{
ptr=s;
i++;
}
length=i;
cout<<"the length of string is"<<length<<"c haracters"<<end l;

return 0;
}
can someone debug it for me?thanks!

[oler1s]

Your code is utterly broken, and writing all of that was unnecessary. You get the length of a C++ string with s.length() . See one possible reference page.

[weaknessforcats]

You get the length of a C++ string with s.length()

Actually, string:: length() is deprecated. You should bs using string::size() to be consistent with the other STL containers.

[vctiger]

Hi oler1s and weaknessforcats :
Thanks for you guy's information. I have correctly rewrite the code and it works. Thank a lots.

have a good weekend
regards.