/contrib/groff/src/roff/groff/pipeline.h

 1/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2002
 2   Free Software Foundation, Inc.
 3     Written by James Clark (jjc@jclark.com)
 4
 5This file is part of groff.
 6
 7groff is free software; you can redistribute it and/or modify it under
 8the terms of the GNU General Public License as published by the Free
 9Software Foundation; either version 2, or (at your option) any later
10version.
11
12groff is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License along
18with groff; see the file COPYING.  If not, write to the Free Software
19Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
20
21#ifdef __cplusplus
22extern "C" {
23  int run_pipeline(int, char ***, int);
24}
25#endif
26
27/* run_pipeline can handle at most this many commands */
28#define MAX_COMMANDS 12
29
30/* Children exit with this status if execvp fails. */
31#define EXEC_FAILED_EXIT_STATUS 0xff