Array and Pointer notes

Passing Array Elements to a function

•The array element can be passed to a function by calling the function by value, or by reference.

•In call by value, we pass values of arrays elements to the function.

•In call by reference, we pass address of array elements to the function.

Call by value

/*demonstration of call by value*/

 main()

{  int i;

Int marks[]={23,34,45,22,45};

For(i=0;i<=4;i++)

{    display(marks[i]); //call}

}

Display(int m)//define

{   printf(“%d”,m); }

Call by reference

/*demonstration of call by value*/

  main()

{  int i;

Int marks[]={23,34,45,22,45};

For(i=0;i<=4;i++)

{

display(&marks[i]); }

}

Display(int  *m)

{   printf(“%d”,*m); }