type dup_arg = dup_source * gen_channelval (!%) : descr -> intval (*<&) : gen_in_channel -> dup_in_source -> dup_argval (*<) : gen_in_channel -> string -> dup_argval (*>&) : gen_out_channel -> dup_out_source -> dup_argval (*>) : gen_out_channel -> string -> dup_argval (*>!) : gen_out_channel -> string -> dup_argval (*>?) : gen_out_channel -> string -> dup_argval (*>>) : gen_out_channel -> string -> dup_argval (*>>!) : gen_out_channel -> string -> dup_argval (%<&) : int -> int -> dup_argval (%<) : int -> string -> dup_argval (%>&) : int -> int -> dup_argval (%>) : int -> string -> dup_argval (%>!) : int -> string -> dup_argval (%>?) : int -> string -> dup_argval (%>>) : int -> string -> dup_argval (%>>!) : int -> string -> dup_argval (/<&) : in_channel -> in_channel -> dup_argval (/<) : in_channel -> string -> dup_argval (/>&) : out_channel -> out_channel -> dup_argval (/>) : out_channel -> string -> dup_argval (/>!) : out_channel -> string -> dup_argval (/>?) : out_channel -> string -> dup_argval (/>>) : out_channel -> string -> dup_argval (/>>!) : out_channel -> string -> dup_argval (*>%) : gen_out_channel -> int -> dup_argval (*>/) : gen_out_channel -> out_channel -> dup_argval (%>*) : int -> dup_out_source -> dup_argval (%>/) : int -> out_channel -> dup_argval (/>*) : out_channel -> dup_out_source -> dup_argval (/>%) : out_channel -> int -> dup_argval (*<%) : gen_in_channel -> int -> dup_argval (*</) : gen_in_channel -> in_channel -> dup_argval (%<*) : int -> dup_in_source -> dup_argval (%</) : int -> in_channel -> dup_argval (/<*) : in_channel -> dup_in_source -> dup_argval (/<%) : in_channel -> int -> dup_arg