Program to show that changes to the array made inside the function affect the original array

#include<stdio.h>
#include<conio.h>
void func(int a[]);
main( )
{
int i, arr[5] = {3, 6, 2, 7, 1};
func(arr);
printf("Inside main( ) : ");
for(i=0; i<5; i++)
printf("%d  ", arr[i]);
printf("\n");
getch();
}
void func(int a[])
{
int i;
printf("Inside func( ) : ");
for(i=0; i<5; i++)
{
a[i] = a[i] + 2;
printf("%d  ",a[i]);
}
printf("\n");
}