c first code

void (int a[], int len, int *min, int *max);

int main(void)
{
    int a[] = {1, 2, 3, 4, 5, 6, 7,8};
    int min, max;
    minmax(a, sizeof(a)/sizeof(a[0]), &min, &max);
    printf("min = %d, max = %dn", min, max);
    return 0;
}

void (int a[], int len, int *min, int *max)
{
    int i;
    *min = *max = a[0];
    for (i = 1; i < len; i++)
    {
        if(a[i] < *min)
        *min = a[i];
        if(a[i] > *max)
        *max = a[i];
    }
}