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Basic C++ Concepts

Pointer

int square(int iNum) {

  return iNum*iNum;

}

int main() {

  int iNum=10;

  int* p1=&iNum;      // Define a pointer and let it point to an integer variable

  int* p2=p1;      // Still point to that integer variable

  int** p3=&p2;      // Define a pointer that points to ano ... see full article