// pipe.h - Pseudo-instructions for UNIX pipes.
//
// ##Copyright##
// 
// Copyright 2000-2016 Peter Robinson  (pjr@itee.uq.edu.au)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.00 
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ##Copyright##
//
// $Id: pipe.h,v 1.1.1.1 2000/12/07 21:48:04 qp Exp $

#ifndef	PIPE_H
#define	PIPE_H

public:
// @user
// @pred pipe(InputStream, OutputStream)
// @type pipe(stream_id, stream_id)
// @mode pipe(-, -) is semidet
// @description
// Open a pipe.
//
// Fails if the pipe cannot be created.
// @end user
ReturnValue psi_pipe(Object *&, Object *&);

#endif	// PIPE_H