/* 
 * Example of formal array arguments
 * use the declaration:  int list[] 
 */

#include <stdio.h> 
#define NSIZE 10  

void fill_array(int list[], int n, int in_value);

int 
main()
{ 
    int x[NSIZE], y[NSIZE], i, num = 1; 
 
    fill_array(x, NSIZE, num); 

    printf("array x = "); 
    for (i=0; i < NSIZE; ++i)
        printf(" %d", x[i]);   

    printf("\n"); 

    /* equivalently, .... */ 
    fill_array(&y[0], NSIZE, num);    
    // since C stores the addres of ... but may confuse with using 
    // only the array element x[0] as an output arguments 

    printf("array y = "); 
    for (i=0; i < NSIZE; ++i)
        printf(" %d", y[i]);   

    return 0; 
} 

/* ........ */ 

void fill_array(int list[], int n, int in_value)
{
    int i; 
    for (i = 0; i< n; ++i)
        list[i] = in_value; 
}