#include <stdio.h> // regular struct Account { int account_number; double balance; char *first_name; char *last_name; }; // typedef version typedef struct { int xxx; int yyy; } Point; int main() { struct Account my_account; my_account.account_number = 42; my_account.balance = 3.141592653589735; my_account.first_name = "Jinning"; my_account.last_name = "Liu"; printf("hello"); Point my_point; my_point.xxx = 12345; my_point.yyy = 54321; return 0; }