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(* $Id$ *)
(*s Files and load paths. Load path entries remember the original root
given by the user. For efficiency, we keep the full path (field
[directory]), the root path and the path relative to the root. *)
type load_path_entry = {
directory : string;
coq_dirpath : string list }
type load_path = load_path_entry list
val all_subdirs : unix_path:string -> string list option -> load_path
val is_in_path : load_path -> string -> bool
val where_in_path : load_path -> string -> load_path_entry * string
val make_suffix : string -> string -> string
val file_readable_p : string -> bool
val glob : string -> string
val home : string
val exists_dir : string -> bool
val find_file_in_path : load_path -> string -> load_path_entry * string
(*s Generic input and output functions, parameterized by a magic number
and a suffix. The intern functions raise the exception [Bad_magic_number]
when the check fails, with the full file name. *)
val marshal_out : out_channel -> 'a -> unit
val marshal_in : in_channel -> 'a
exception Bad_magic_number of string
val raw_extern_intern : int -> string ->
(string -> string * out_channel) *
(load_path -> string -> load_path_entry * string * in_channel)
val extern_intern :
int -> string -> (string -> 'a -> unit) * (load_path -> string -> 'a)
(*s Time stamps. *)
type time
val process_time : unit -> float * float
val get_time : unit -> time
val time_difference : time -> time -> float (* in seconds *)
val fmt_time_difference : time -> time -> Pp.std_ppcmds
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