Never had a chance to take this class, and it's already too late for me to take this class officially now, so I just searched for and downloaded whatever is available for me to self-study. Coded using gcc and Sublime Text 3 in Linux environment (my settings for Arch Linux are stored under the xfce-rice repo)
Random testing stuff and most importantly verify my Makefile work.
Create a Gregorian version of the GNU's stock cal function. Beware of September of 1752 of GNU's stock cal function.