point to string

point to string

1.소스

#include <iostream>
#include <cstring>
using namespace std;

int main( int argc , char ** argv )
{

    char cname[20] = "black falcon";
    char * ps;


    ps = cname;
    cout << " before using strcpy " << endl;
    cout << " cname at = " << (int *)cname << endl;
    cout << " ps at = " << (int *)ps << "\n\n" <<  endl;

    ps = new char[strlen(cname) + 1 ];
    strcpy( ps, cname );

    cout << " after using strcpy " << endl;
    cout << " cname at = " << (int *)cname << endl;
    cout << " ps at = " << (int *)ps << endl;

    delete [] ps;


return 0;
}

결과

g++ -o ptrstr ptrstr.cpp 
hacker@ubuntu:~/cpp$ ./ptrstr 
 before using strcpy 
 cname at = 0x7ffc3ce82440
 ps at = 0x7ffc3ce82440


 after using strcpy 
 cname at = 0x7ffc3ce82440
 ps at = 0x10e3030
hacker@ubuntu:~/cpp$