#include <stdio.h>
    struct Number
    {
        int n1;
        int n2;
    };
    void function(struct Number*);
    int main()
    {
        struct Number num1[] = {15, 25, 35, 45};
        function(num1);
    }
    void function(struct Number num2[])
    {
        printf("%d\n", num2->n1);
    }