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univlib.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*                  Copyright (c) 1985-2005 AT&T Corp.                  *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                            by AT&T Corp.                             *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * Glenn Fowler
 * AT&T Research
 *
 * universe support
 *
 * symbolic link external representation has trailing '\0' and $(...) style
 * conditionals where $(...) corresponds to a kernel object (i.e., probably
 * not environ)
 *
 * universe symlink conditionals use $(UNIVERSE)
 */

#ifndef _UNIVLIB_H
#define _UNIVLIB_H

#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:hide getuniverse readlink setuniverse symlink universe
#else
#define getuniverse     ______getuniverse
#define readlink  ______readlink
#define setuniverse     ______setuniverse
#define symlink         ______symlink
#define universe  ______universe
#endif

#include <ast.h>
#include <ls.h>
#include <errno.h>

#define UNIV_SIZE 9

#if _cmd_universe && _sys_universe
#include <sys/universe.h>
#endif

#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:nohide getuniverse readlink setuniverse symlink universe
#else
#undef      getuniverse
#undef      readlink
#undef      setuniverse
#undef      symlink
#undef      universe
#endif

#if _cmd_universe
#ifdef NUMUNIV
#define UNIV_MAX  NUMUNIV
#else
#define UNIV_MAX  univ_max
extern char*            univ_name[];
extern int        univ_max;
#endif

extern char       univ_cond[];
extern int        univ_size;

#else

extern char       univ_env[];

#endif

extern int        getuniverse(char*);
extern int        readlink(const char*, char*, int);
extern int        setuniverse(int);
extern int        symlink(const char*, const char*);
extern int        universe(int);

#endif

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