Replace unsafe C string functions.
Please replace strcpy, sprintf, gets and other "unsafe" C string functions with safer alternatives.
Good website on best practices: https://security.web.cern.ch/security/recommendations/en/codetools/c.shtml
Good website on how buffer overflow exploits work: http://www.cse.scu.edu/~tschwarz/coen152_05/Lectures/BufferOverflow.html
This is a large enough task that I marked it as Spring 2019, with the expectation it will delay until Fall 2019. I want to get ahead of the game before we have a fire drill.