Write a program that declares the following structure and in the main program declare a struct variable, initialize all members and print all members. struct student { char name[20]: int id_no: } Write a function called today_is that takes today's date (month, day, year)as arguments and returns the day of the year out of 365 (an integer value between 1 and 365). And print the result. Ex. For 01/01/2017, the output should look something like: "Today is day 1 of the year