val load_path : (string * string array) list refval force_slash : bool refval error_occurred : bool refval fix_slash : string -> stringval expand_directory : string -> string -> stringval remove_file : string -> unitval add_to_load_path : string -> unitval add_to_synonym_list : string list ref -> string -> unitval find_file : string -> stringval find_dependency : string -> string list -> string listval print_filename : string -> unitval print_dependencies : string -> string list -> unitval preprocessor : string option refexception Preprocessing_errorval preprocess : string -> stringval remove_preprocessed : string -> unitval zls_dependencies : string -> string listval zli_dependencies : string -> string listval zls_file_dependencies : string -> unitval zli_file_dependencies : string -> unit