/* a pointer to an array, and pointer arithmetic */

#include<stdio.h>

int main()
{

	int i;
	int a[10];
	int *ptr;

	/* give each element a value */
	for (i=0; i<10; i++)
		a[i] = i + 100;

	/* point the pointer at the first array element */
	ptr = a;

	/* use the pointer and pointer arithmetic to prin
	the array */
	for (i=0; i<5; i++)
	{
		printf("ptr: %u  points to %d\n", ptr, *ptr);
		/* skip every other array element */
		ptr = ptr + 2;
	}
}