module In_channel : sig ... end
An input channel for doing blocking reads from input sources like files and sockets.
module Out_channel : sig ... end
An output channel for doing blocking writes to destinations like files and sockets.
val stdin : In_channel.t
Same as In_channel.stdin
val stdout : Out_channel.t
Same as Out_channel.stdout
val stderr : Out_channel.t
Same as Out_channel.stderr
val printf : ('a, Out_channel.t, Base.unit) Base.format ‑> 'a
Same as Out_channel.printf
val eprintf : ('a, Out_channel.t, Base.unit) Base.format ‑> 'a
Same as Out_channel.eprintf
val print_endline : Base.string ‑> Base.unit
Same as Out_channel.print_endline
val prerr_endline : Base.string ‑> Base.unit
Same as Out_channel.prerr_endline