checklist

Did I write all the code myself?
YES

Does my code follow the style guide?
YES

Does my code compile without warnings or errors on a
YES

Did I provide a Makefile?
YES

Did I provide a README to explain any problems or
issues I encountered?
YES

Did I check the return value of all function calls?
YES

Did I send error messages to stderr?  Did I use
strerror(3) or perror(3) etc. to print meaningful
error messages?
YES

Did I use only meaningful and necessary comments?
YES

Does my program only generate meaningful output?
YES

Does my program return zero on success, non-zero otherwise?
YES

Did I make sure that my .h files only include function
forward declarations, macros, etc., no function
implementations or other code?
YES

Did I check that I have avoided code duplication?
Writing the same or very similar code multiple times
is a sign that my program could benefit from being
restructured.
YES