(:cstring . (:reference-pass :ef-mb-string :allow-null t))
(:cstring-returning . (:reference :ef-mb-string :allow-null t))
(:char . :char)
(:cstring . (:reference-pass :ef-mb-string :allow-null t))
(:cstring-returning . (:reference :ef-mb-string :allow-null t))
(:char . :char)