Instructions Write a program in C to calculate and display the user age in seconds. In order to handle big integer numbers in C, you can use "unsigned long" type as follows: unsigned long int x=4000000000; printf("%lu",x); Likewise, the program below can be used to get system's current date: #include #include int maino { struct date dt; getdate(&dt); printf("System's current date is: %d/%d/%d", dt.da_day, dt.da_mon, dt.da_year); getch(); }