struct/union/struct/array

struct rtc_time {
    union time {
        struct full {
            uint32_t full_time[8];
        } full;

        struct fields {
            uint32_t second;
            uint32_t minute;
            uint32_t hour;
            uint32_t day_week;
            uint32_t day_month;
            uint32_t day_year;
            uint32_t month;
            uint32_t year;
        } fields;
    } time;
};

int main(void)
{
    struct rtc_time tmm_time = {.time.full = {0, 33, 0, 7, 26, 0, 4, 2015}};

    return 0;
}