Module Stdio
- 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 print_s : ?mach:Base.unit -> Base.Sexp.t -> Base.unit
- Same as - Out_channel.print_s
- val eprintf : ('a, Out_channel.t, Base.unit) Base.format -> 'a
- Same as - Out_channel.eprintf
- val print_string : Base.string -> Base.unit
- Same as - Out_channel.print_string
- 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