Manually create a call-by-reference using a pointer. : pointer « Pointer « C++ Tutorial

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11.1.8.Manually create a call-by-reference using a pointer.

#include <iostream>

using namespace std;

   

void neg(int *i);

   

int main()

{

  int x;

   

  x = 10;

  cout << x << " negated is ";

   

  neg(&x);

  cout << x << "\n";

   

  return 0;

}

   

void neg(int *i)

{

  *i = -*i;

}

11.1.pointer
	11.1.1.	What is stored in a pointer.
	11.1.2.	Allocating and deleting a pointer
	11.1.3.	Finding Out What Is Stored in Pointers
	11.1.4.	Manipulating Data by Using Pointers
	11.1.5.	Using a pointer to print the contents of the array
	11.1.6.	C++ program shows the use of pointers when accessing structure information from a function.
	11.1.7.	Pointers to Derived Types
	11.1.8.	Manually create a call-by-reference using a pointer.

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