<cctype> how?

Question

Can someone show me how to use the cctype header file? How to covert uppercase to lowercase and from lowercase to uppercase? Thank you.

Answer 1

https://code.sololearn.com/cbMSvwhCkZVV/?ref=app

I use the <cctype> header here to convert to lower case.

Answer 2

here's a simple one

https://code.sololearn.com/czjdR6pB94LV/?ref=app

Answer 3

there are two functions which you can use :-
toupper () -
to convert from lower to upper case .
tolower () -
to convert from upper to lower case .