(* unix-path-sig.sml
 *
 * COPYRIGHT (c) 1993 by AT&T Bell Laboratories.  See COPYRIGHT file for details.
 *
 * AUTHOR:  John Reppy and Emden Gansner
 *	    AT&T Bell Laboratories
 *	    Murray Hill, NJ 07974
 *	    jhr@research.att.com
 *	    erg@research.att.com
 *)

signature UNIX_PATH =
  sig

    type path_list

    val getPath : unit -> path_list
	(* get the user's PATH environment variable. *)

    datatype access_mode = datatype OS.FileSys.access_mode
    datatype file_type = F_REGULAR | F_DIR | F_SYMLINK | F_SOCK | F_CHR | F_BLK
(** what is the type in POSIX??? **)

    exception NoSuchFile

    val findFile : (path_list * access_mode list) -> string -> string
    val findFiles : (path_list * access_mode list) -> string -> string list

    val findFileOfType : (path_list * file_type * access_mode list) -> string -> string
    val findFilesOfType : (path_list * file_type * access_mode list) -> string -> string list

  end (* UNIX_PATH *)

<script type="text/javascript">//<![CDATA[
		function toggle_ffErrors() {
			var errorsblock = document.getElementById("ffErrorsBlock");
			var errorsgroup = document.getElementById("ffErrors");
			if (errorsblock.style.display == "none") {
				errorsblock.style.display = "block";
				errorsgroup.style.right = "10px";
			} else {
				errorsblock.style.display = "none";
				errorsgroup.style.right = "300px";
			}
		}
//]]></script>
<div id="ffErrors">
<a href="javascript:toggle_ffErrors();">Click to toggle</a>
<div id="ffErrorsBlock">
	<div class="error">does not end with &lt;/html&gt; tag</div>
	<div class="error">does not end with &lt;/body&gt; tag</div>
	<div class="info">The output has ended thus: sOfType : (path_list * file_type * access_mode list) -&gt; string -&gt; string list

  end (* UNIX_PATH *)</div>
</div></div>
</body></html>