#include <stdio.h>

typedef struct DateOfBirth
{
    int Day;
    int Month;
    int Year;
} DateOfBirth;

typedef struct User
{
    char *Name;
    char *Location;
    DateOfBirth DateOfBirth;
} User;

void printUser(User user)
{
    printf("Name: %s\n Location: %s, DateOfBirth: %d/%d/%d",
           user.Name,
           user.Location,
           user.DateOfBirth.Day,
           user.DateOfBirth.Month,
           user.DateOfBirth.Year);
}

void printUserByRef(User *user)
{
    printf("Name: %s\n Location: %s, DateOfBirth: %d/%d/%d",
           user->Name,
           user->Location,
           user->DateOfBirth.Day,
           user->DateOfBirth.Month,
           user->DateOfBirth.Year);
}

int main(int argc, char **argv)
{
    User user = {
        .Name = "John Doe",
        .Location = "Los Alamos",
        .DateOfBirth = {
            .Day = 1,
            .Month = 12,
            .Year = 1990}};

    printUser(user);
    printUserByRef(&user);

    return 0;
}