File.ByteWriter

write

defn

(Fn [(Ref File a), (Ref (Array Byte) b)] (Result Int String)) 

                        (write file bytes)

write-byte

defn

(Fn [Byte, (Ptr FILE)] (Result Int String)) 

                        (write-byte byte file)

write-bytes

defn

(Fn [(Ref File a), (Ref (Array Byte) b)] (Result Int String)) 

                        (write-bytes f bytes)