#include <stdio.h> struct Owner { char firstName[30]; char lastName[30]; }; struct Car { char brand[30]; int year; struct Owner owner; // Nested structure }; int main() { struct Owner person = {"John", "Doe"}; struct Car car1 = {"Toyota", 2010, person}; printf("Car: %s (%d)\n", car1.brand, car1.year); printf("Owner: %s %s\n", car1.owner.firstName, car1.owner.lastName); return 0; }