eni@jufitsu:~$ ocamlc -i -custom -o serv_up unix.cma kot.ml -cclib -lunix
val establish_server :
  (in_channel -> out_channel -> 'a) -> Unix.sockaddr -> unit
val get_my_addr : unit -> Unix.inet_addr
val main_server : (in_channel -> out_channel -> 'a) -> unit
val uppercase_service : in_channel -> out_channel -> unit
val go_uppercase_service : unit -> unit
eni@jufitsu:~$ ./serv_up
bash: ./serv_up: No such file or directory