Converts between a Lisp character type and a C char type.
keyword
:char
The FLI type :char converts between a Lisp character and a C char type.
If you want an integer on the Lisp side, rather than a character, then you should use (:signed :char) or (:unsigned :char).
Foreign Language Interface User Guide and Reference Manual - 01 Dec 2021 19:34:59