#include
int change(int* pnumber); /* Function prototype */
void main()
{
int number = 20;
int* pnumber = &number;
int result = 0;
result = change(pnumber);
printf("\nIn main, result = %d\tnumber = %d", result, number);
}
int change(int* pnumber)
{
*pnumber *= 2;
printf("\n In function change, *pnumber = %d\n", *pnumber );
return *pnumber;
}