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+(************************************************************************)
+(* v * The Coq Proof Assistant / The Coq Development Team *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(* \VV/ **************************************************************)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(************************************************************************)
+
+(*i $Id: usage.mli,v 1.5.16.1 2004/07/16 19:31:50 herbelin Exp $ i*)
+
+(*s Prints the version number on the standard output and exits (with 0). *)
+
+val version : unit -> 'a
+
+(*s Prints the usage on the error output, preceeded by a user-provided message. *)
+val print_usage : string -> unit
+
+(*s Prints the usage on the error output. *)
+val print_usage_coqtop : unit -> unit
+val print_usage_coqc : unit -> unit