// access fields of a simple struct

#include <stdio.h>
#include <stdint.h>

struct details {
    uint16_t  postcode;
    uint8_t   wam;
    uint32_t  zid;
};

struct details student;

int main(void) {
    student.postcode = 2052;
    student.wam = 95;
    student.zid = 5123456;

    printf("%d", student.zid);
    putchar(' ');
    printf("%d", student.wam);
    putchar(' ');
    printf("%d", student.postcode);
    putchar('\n');
    return 0;
}