pointer

pointer

1.소스

#include <iostream>

using namespace std;

int main( int argc , char ** argv )
{
    int updates = 0;
    int *p_updates;

    p_updates = &updates;

    cout << " values : updates = " << updates;
    cout << " *p_updates = " << *p_updates << endl;



    *p_updates = *p_updates + 1;
    cout << "*p_updates = *p_updates + 1 : " << updates << endl;

return 0;
}

결과

g++ -o  pointer pointer.cpp 

hacker@ubuntu:~/cpp$ ./pointer 
 values : updates = 0 *p_updates = 0
*p_updates = *p_updates + 1 : 1