module In_channel : sig ... end
In_channel
collects all of the pervasive functions that work on in_channels.
module Out_channel : sig ... end
val printf : ('a, Out_channel.t, Stdio__.Import.unit) Stdio__.Import.format ‑> 'a
Same as Out_channel.printf
val eprintf : ('a, Out_channel.t, Stdio__.Import.unit) Stdio__.Import.format ‑> 'a
Same as Out_channel.eprintf