Its a great asset for research, or for enjoyment if you like reading.
To research some things that you want to know. Library is for us to find reference books.
The primary goal and job of a librarian, is too aid all students in their quest for knowledge.
Though i cannot think of a reason do to it (why not use the available methods in the string.h ?) , it is possible to do it manually. Loop through your character arrays and compare / copy. Suppose...
the functions of a library are simple: 1) to supply information 2) they entertain people (books are fun) 3) help people