14b88c807SRodney W. Grimes /*- 24b88c807SRodney W. Grimes * Copyright (c) 1991, 1993 34b88c807SRodney W. Grimes * The Regents of the University of California. All rights reserved. 44b88c807SRodney W. Grimes * 54b88c807SRodney W. Grimes * This code is derived from software contributed to Berkeley by 64b88c807SRodney W. Grimes * Kenneth Almquist. 74b88c807SRodney W. Grimes * 84b88c807SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 94b88c807SRodney W. Grimes * modification, are permitted provided that the following conditions 104b88c807SRodney W. Grimes * are met: 114b88c807SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 124b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 134b88c807SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 144b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 154b88c807SRodney W. Grimes * documentation and/or other materials provided with the distribution. 164b88c807SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 174b88c807SRodney W. Grimes * must display the following acknowledgement: 184b88c807SRodney W. Grimes * This product includes software developed by the University of 194b88c807SRodney W. Grimes * California, Berkeley and its contributors. 204b88c807SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 214b88c807SRodney W. Grimes * may be used to endorse or promote products derived from this software 224b88c807SRodney W. Grimes * without specific prior written permission. 234b88c807SRodney W. Grimes * 244b88c807SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 254b88c807SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 264b88c807SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 274b88c807SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 284b88c807SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 294b88c807SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 304b88c807SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 314b88c807SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 324b88c807SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 334b88c807SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 344b88c807SRodney W. Grimes * SUCH DAMAGE. 354b88c807SRodney W. Grimes * 364b88c807SRodney W. Grimes * @(#)redir.h 8.1 (Berkeley) 5/31/93 374b88c807SRodney W. Grimes */ 384b88c807SRodney W. Grimes 394b88c807SRodney W. Grimes /* flags passed to redirect */ 404b88c807SRodney W. Grimes #define REDIR_PUSH 01 /* save previous values of file descriptors */ 414b88c807SRodney W. Grimes #define REDIR_BACKQ 02 /* save the command output in memory */ 424b88c807SRodney W. Grimes 434b88c807SRodney W. Grimes #ifdef __STDC__ 444b88c807SRodney W. Grimes union node; 454b88c807SRodney W. Grimes void redirect(union node *, int); 464b88c807SRodney W. Grimes void popredir(void); 474b88c807SRodney W. Grimes void clearredir(void); 484b88c807SRodney W. Grimes int copyfd(int, int); 494b88c807SRodney W. Grimes int fd0_redirected_p(void); 504b88c807SRodney W. Grimes #else 514b88c807SRodney W. Grimes void redirect(); 524b88c807SRodney W. Grimes void popredir(); 534b88c807SRodney W. Grimes void clearredir(); 544b88c807SRodney W. Grimes int copyfd(); 554b88c807SRodney W. Grimes int fd0_redirected_p(); 564b88c807SRodney W. Grimes #endif 57