#include <stdio.h>

/*
 * show how an array can be modified by a function
 */

void print_list( int [] , int );
void incrm_list( int [] , int );

int main()
{
	int	list[4] = { 1,2,3,4 };

	print_list( list, 4 );		// print contents
	incrm_list( list, 4 );		// add 1 to each element
	print_list( list, 4 );		// print contents
}

void print_list( int a[], int num )
{
	int	i;

	for ( i = 0 ; i < num ;i++)
		printf(" %d", a[i]);
	putchar('\n');
}
void incrm_list( int a[], int num )
{
	int	i;

	for ( i = 0 ; i < num ;i++)
		a[i]++;
}