Ocamlnet 4 Reference Manual : Netencoding.QuotedPrintable

`sig
val encode : ?crlf:bool -> ?pos:int -> ?len:int -> string -> string
val encode_tstring :
?crlf:bool ->
?pos:int -> ?len:int -> Netsys_types.tstring -> Stdlib.Bytes.t
val encode_poly :
?crlf:bool ->
?pos:int ->
?len:int -> 's Netstring_tstring.tstring_ops -> 's -> Stdlib.Bytes.t
val decode : ?pos:int -> ?len:int -> string -> string
val decode_tstring :
?pos:int -> ?len:int -> Netsys_types.tstring -> Stdlib.Bytes.t
val decode_poly :
?pos:int ->
?len:int -> 's Netstring_tstring.tstring_ops -> 's -> Stdlib.Bytes.t
class encoding_pipe : ?crlf:bool -> unit -> Netchannels.pipe
class decoding_pipe : unit -> Netchannels.pipe
end`