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403 lines
11 KiB
C
403 lines
11 KiB
C
/* @(#)stat.h 1.20 15/08/23 Copyright 1998-2015 J. Schilling */
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/*
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* Definitions for stat() file mode
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*
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* Copyright (c) 1998-2015 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#ifndef _SCHILY_STAT_H
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#define _SCHILY_STAT_H
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#ifndef _SCHILY_MCONFIG_H
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#include <schily/mconfig.h>
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#endif
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#ifndef _SCHILY_TYPES_H
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#include <schily/types.h> /* Needed for sys/stat.h */
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#endif
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#ifndef _INCL_SYS_STAT_H
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#include <sys/stat.h> /* For S_IS* and S_IF* */
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#define _INCL_SYS_STAT_H
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#endif
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#if !defined(HAVE_LSTAT) || !defined(S_IFLNK)
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#define lstat stat
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#endif
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/*
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* Apollo Domain/OS has a broken sys/stat.h that defines
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* S_IFIFO == S_IFSOCK and creates trouble if the constants
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* are used as case labels.
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*/
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#if S_IFIFO == S_IFSOCK
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# undef S_IFSOCK
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#endif
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#ifdef STAT_MACROS_BROKEN
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#undef S_ISFIFO /* Named pipe */
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#undef S_ISCHR /* Character special */
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#undef S_ISMPC /* UNUSED multiplexed c */
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#undef S_ISDIR /* Directory */
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#undef S_ISNAM /* Named file (XENIX) */
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#undef S_ISBLK /* Block special */
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#undef S_ISMPB /* UNUSED multiplexed b */
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#undef S_ISREG /* Regular file */
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#undef S_ISCTG /* Contiguous file */
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#undef S_ISLNK /* Symbolic link */
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#undef S_ISSHAD /* Solaris shadow inode */
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#undef S_ISSOCK /* UNIX domain socket */
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#undef S_ISDOOR /* Solaris DOOR */
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#undef S_ISPORT /* Solaris event port */
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#undef S_ISWHT /* BSD whiteout */
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#undef S_ISEVC /* UNOS eventcount */
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#endif
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#ifndef S_ISFIFO /* 1 Named pipe */
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# ifdef S_IFIFO
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# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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# else
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# define S_ISFIFO(m) (0)
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# endif
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#endif
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#ifndef S_ISCHR /* 2 Character special */
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# ifdef S_IFCHR
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# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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# else
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# define S_ISCHR(m) (0)
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# endif
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#endif
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#ifndef S_ISMPC /* 3 UNUSED multiplexed char */
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# ifdef S_IFMPC
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# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
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# else
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# define S_ISMPC(m) (0)
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# endif
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#endif
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#ifndef S_ISDIR /* 4 Directory */
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# ifdef S_IFDIR
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# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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# else
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# define S_ISDIR(m) (0)
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# endif
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#endif
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#ifndef S_ISNAM /* 5 Named file (XENIX) */
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# ifdef S_IFNAM
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# define S_ISNAM(m) (((m) & S_IFMT) == S_IFNAM)
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# else
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# define S_ISNAM(m) (0)
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# endif
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#endif
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#ifndef S_ISBLK /* 6 Block special */
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# ifdef S_IFBLK
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# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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# else
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# define S_ISBLK(m) (0)
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# endif
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#endif
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#ifndef S_ISMPB /* 7 UNUSED multiplexed block */
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# ifdef S_IFMPB
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# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
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# else
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# define S_ISMPB(m) (0)
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# endif
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#endif
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#ifndef S_ISREG /* 8 Regular file */
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# ifdef S_IFREG
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# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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# else
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# define S_ISREG(m) (0)
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# endif
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#endif
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#ifndef S_ISCTG /* 9 Contiguous file */
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# ifdef S_IFCTG
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# define S_ISCTG(m) (((m) & S_IFMT) == S_IFCTG)
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# else
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# define S_ISCTG(m) (0)
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# endif
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#endif
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#ifndef S_ISLNK /* 10 Symbolic link */
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# ifdef S_IFLNK
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# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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# else
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# define S_ISLNK(m) (0)
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# endif
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#endif
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#ifndef S_ISSHAD /* 11 Solaris shadow inode */
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# ifdef S_IFSHAD
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# define S_ISSHAD(m) (((m) & S_IFMT) == S_IFSHAD)
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# else
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# define S_ISSHAD(m) (0)
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# endif
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#endif
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#ifndef S_ISSOCK /* 12 UNIX domain socket */
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# ifdef S_IFSOCK
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# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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# else
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# define S_ISSOCK(m) (0)
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# endif
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#endif
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#ifndef S_ISDOOR /* 13 Solaris DOOR */
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# ifdef S_IFDOOR
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# define S_ISDOOR(m) (((m) & S_IFMT) == S_IFDOOR)
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# else
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# define S_ISDOOR(m) (0)
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# endif
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#endif
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#ifndef S_ISPORT /* 14 Solaris event port */
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# ifdef S_IFPORT
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# define S_ISPORT(m) (((m) & S_IFMT) == S_IFPORT)
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# else
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# define S_ISPORT(m) (0)
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# endif
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#endif
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#ifndef S_ISWHT /* 14 BSD whiteout */
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# ifdef S_IFWHT
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# define S_ISWHT(m) (((m) & S_IFMT) == S_ISWHT)
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# else
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# define S_ISWHT(m) (0)
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# endif
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#endif
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#ifndef S_IFEVC /* 15 UNOS eventcount */
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# ifdef S_IFEVC
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# define S_ISEVC(m) (((m) & S_IFMT) == S_IFEVC)
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# else
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# define S_ISEVC(m) (0)
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# endif
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#endif
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#ifndef S_TYPEISMQ
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/*
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* XXX ??? where is a definition of a message queue ???
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*/
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# define S_TYPEISMQ(_stbuf) (0)
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#endif
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#ifndef S_TYPEISSEM
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# ifdef S_INSEM
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# define S_TYPEISSEM(_stbuf) (S_ISNAM((_stbuf)->st_mode) && \
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(_stbuf)->st_rdev == S_INSEM)
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# else
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# define S_TYPEISSEM(_stbuf) (0)
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# endif
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#endif
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#ifndef S_TYPEISSHM
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# ifdef S_INSHD
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# define S_TYPEISSHM(_stbuf) (S_ISNAM((_stbuf)->st_mode) && \
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(_stbuf)->st_rdev == S_INSHD)
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# else
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# define S_TYPEISSHM(_stbuf) (0)
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# endif
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#endif
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/*
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* Mode permission bits.
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* UNIX V.7 has only S_ISUID/S_ISGID/S_ISVTX and S_IREAD/S_IWRITE/S_IEXEC
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*
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* S_ISUID/S_ISGID/S_ISVTX is available on UNIX V.7 and POSIX
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*/
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#ifndef S_ISUID /* Set-user-ID on execution */
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#define S_ISUID 0 /* If it is not defined, it is not supported */
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#endif
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#ifndef S_ISGID /* Set-group-ID on execution */
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#define S_ISGID 0 /* If it is not defined, it is not supported */
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#endif
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#ifndef S_ISVTX /* On directories, restricted deletion flag */
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#define S_ISVTX 0 /* If it is not defined, it is not supported */
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#endif
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/*
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* S_IREAD/S_IWRITE/S_IEXEC is only available on UNIX V.7 but not on POSIX
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* Emulate these definitions to support compilation of programs like
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* SCCS and the Bourne Shell and to make the other definitions simpler.
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*/
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#ifndef S_IREAD
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#ifdef S_IRUSR
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#define S_IREAD S_IRUSR /* Use POSIX name */
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#else
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#define S_IREAD 0400 /* Very old UNIX, use own definition */
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#endif
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#endif
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#ifndef S_IWRITE
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#ifdef S_IWUSR
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#define S_IWRITE S_IWUSR /* Use POSIX name */
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#else
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#define S_IWRITE 0200 /* Very old UNIX, use own definition */
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#endif
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#endif
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#ifndef S_IEXEC
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#ifdef S_IXUSR
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#define S_IEXEC S_IXUSR /* Use POSIX name */
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#else
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#define S_IEXEC 0100 /* Very old UNIX, use own definition */
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#endif
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#endif
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#ifndef S_IRUSR /* Read permission, owner */
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#define S_IRUSR S_IREAD /* Needed on old UNIX systems */
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#endif
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#ifndef S_IWUSR /* Write permission, owner */
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#define S_IWUSR S_IWRITE /* Needed on old UNIX systems */
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#endif
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#ifndef S_IXUSR /* Execute/search permission, owner */
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#define S_IXUSR S_IEXEC /* Needed on old UNIX systems */
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#endif
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#ifndef S_IRGRP /* Read permission, group */
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#define S_IRGRP (S_IREAD >> 3) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IWGRP /* Write permission, group */
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#define S_IWGRP (S_IWRITE >> 3) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IXGRP /* Execute/search permission, group */
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#define S_IXGRP (S_IEXEC >> 3) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IROTH /* Read permission, others */
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#define S_IROTH (S_IREAD >> 6) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IWOTH /* Write permission, others */
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#define S_IWOTH (S_IWRITE >> 6) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IXOTH /* Execute/search permission, others */
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#define S_IXOTH (S_IEXEC >> 6) /* Needed on old UNIX systems */
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#endif
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#ifndef S_IRWXU /* Read, write, execute/search by owner */
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#define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
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#endif
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#ifndef S_IRWXG /* Read, write, execute/search by group */
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#define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
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#endif
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#ifndef S_IRWXO /* Read, write, execute/search by others */
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#define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
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#endif
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/*
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* SCO UnixWare has st_atim.st__tim.tv_nsec but the st_atim.tv_nsec tests also
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* succeeds. If we use st_atim.tv_nsec on UnixWare, we get a warning about
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* illegal structure usage. For this reason, our code needs to have
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* #ifdef HAVE_ST__TIM before #ifdef HAVE_ST_NSEC.
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*/
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#if defined(HAVE_ST_ATIMENSEC)
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/*
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* Found e.g. on NetBSD and OpenBSD.
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*/
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#define stat_ansecs(s) ((s)->st_atimensec)
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#define stat_mnsecs(s) ((s)->st_mtimensec)
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#define stat_cnsecs(s) ((s)->st_ctimensec)
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#define stat_set_ansecs(s, n) ((s)->st_atimensec = n)
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#define stat_set_mnsecs(s, n) ((s)->st_mtimensec = n)
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#define stat_set_cnsecs(s, n) ((s)->st_ctimensec = n)
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#define _FOUND_STAT_NSECS_
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#endif
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#if defined(HAVE_ST_ATIME_N)
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/*
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* Found e.g. on AIX.
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*/
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#define stat_ansecs(s) ((s)->st_atime_n)
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#define stat_mnsecs(s) ((s)->st_mtime_n)
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#define stat_cnsecs(s) ((s)->st_ctime_n)
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#define stat_set_ansecs(s, n) ((s)->st_atime_n = n)
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#define stat_set_mnsecs(s, n) ((s)->st_mtime_n = n)
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#define stat_set_cnsecs(s, n) ((s)->st_ctime_n = n)
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#define _FOUND_STAT_NSECS_
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#endif
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#if defined(HAVE_ST__TIM) && !defined(_FOUND_STAT_NSECS_)
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/*
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* Found e.g. on UnixWare.
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*/
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#define stat_ansecs(s) ((s)->st_atim.st__tim.tv_nsec)
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#define stat_mnsecs(s) ((s)->st_mtim.st__tim.tv_nsec)
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#define stat_cnsecs(s) ((s)->st_ctim.st__tim.tv_nsec)
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#define stat_set_ansecs(s, n) ((s)->st_atim.st__tim.tv_nsec = n)
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#define stat_set_mnsecs(s, n) ((s)->st_mtim.st__tim.tv_nsec = n)
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#define stat_set_cnsecs(s, n) ((s)->st_ctim.st__tim.tv_nsec = n)
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#define _FOUND_STAT_NSECS_
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#endif
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#if defined(HAVE_ST_NSEC) && !defined(_FOUND_STAT_NSECS_)
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/*
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* Found e.g. on SunOS-5.x and IRIX.
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*/
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#define stat_ansecs(s) ((s)->st_atim.tv_nsec)
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#define stat_mnsecs(s) ((s)->st_mtim.tv_nsec)
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#define stat_cnsecs(s) ((s)->st_ctim.tv_nsec)
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#define stat_set_ansecs(s, n) ((s)->st_atim.tv_nsec = n)
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#define stat_set_mnsecs(s, n) ((s)->st_mtim.tv_nsec = n)
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#define stat_set_cnsecs(s, n) ((s)->st_ctim.tv_nsec = n)
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#define _FOUND_STAT_NSECS_
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#endif
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#if defined(HAVE_ST_ATIMESPEC) && !defined(_FOUND_STAT_NSECS_)
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/*
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* Found e.g. on FreeBSD and Mac OS X.
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*/
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#define stat_ansecs(s) ((s)->st_atimespec.tv_nsec)
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#define stat_mnsecs(s) ((s)->st_mtimespec.tv_nsec)
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#define stat_cnsecs(s) ((s)->st_ctimespec.tv_nsec)
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#define stat_set_ansecs(s, n) ((s)->st_atimespec.tv_nsec = n)
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#define stat_set_mnsecs(s, n) ((s)->st_mtimespec.tv_nsec = n)
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#define stat_set_cnsecs(s, n) ((s)->st_ctimespec.tv_nsec = n)
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#define _FOUND_STAT_NSECS_
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#endif
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/*
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* st_spare1 is last as some implementations keep backwards
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* compatibility although there is one of the nsec implementations.
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*/
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#if defined(HAVE_ST_SPARE1) && !defined(_FOUND_STAT_NSECS_)
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/*
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* Found e.g. on SunOS-4.x and HP-UX.
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*/
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#define stat_ansecs(s) ((s)->st_spare1 * 1000)
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#define stat_mnsecs(s) ((s)->st_spare2 * 1000)
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#define stat_cnsecs(s) ((s)->st_spare3 * 1000)
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#define stat_set_ansecs(s, n) ((s)->st_spare1 = n / 1000)
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#define stat_set_mnsecs(s, n) ((s)->st_spare2 = n / 1000)
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#define stat_set_cnsecs(s, n) ((s)->st_spare3 = n / 1000)
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#define _FOUND_STAT_USECS_
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#define _FOUND_STAT_NSECS_
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#endif
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#if !defined(_FOUND_STAT_NSECS_)
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#define stat_ansecs(s) (0)
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#define stat_mnsecs(s) (0)
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#define stat_cnsecs(s) (0)
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#define stat_set_ansecs(s, n) (0)
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#define stat_set_mnsecs(s, n) (0)
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#define stat_set_cnsecs(s, n) (0)
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#endif
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#endif /* _SCHILY_STAT_H */
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