#:make-null-pointer
#:+null-cstring-pointer+
#:char-array-to-pointer
#:make-null-pointer
#:+null-cstring-pointer+
#:char-array-to-pointer
+ #:with-cast-pointer
+ #:def-foreign-var
;; string functions
#:convert-from-cstring
;; string functions
#:convert-from-cstring