null member return value

null_member.cpp

#include <stdio.h>

class foo {
    public:
        int thinger() {}
};

int main(int argc, char* argv[]) {
    int i;
    foo f;

    i = f.thinger();

    printf("f @ %p\n", (void*)&f);
    printf("f.thinger() = %x\n", i);

    return 0;
}