#include <stdio.h>

#define ND  3

int fun (int *z);

int main (void)
{
    int a[ND], z;

    a[0] = 2, a[1] = 2, a[2] = 2;

    printf ("main 1: %d  %d  %d\n", a[0], a[1], a[2]);
    z = fun (a);
    printf ("main 1: %d  %d  %d  %d\n", a[0], a[1], a[2], z);

    return (0);
}

int fun (int *z)
{
    (z[0])++;
    z[1] += 1;
    ++(z[2]);
    printf ("fun:    %d  %d  %d\n", z[0], z[1], z[2]);

    return (z[0] + z[1] + z[2]);
}