223 lines
8.3 KiB
C
223 lines
8.3 KiB
C
/* $OpenBSD: stat.h,v 1.29 2022/01/11 23:59:55 jsg Exp $ */
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/* $NetBSD: stat.h,v 1.20 1996/05/16 22:17:49 cgd Exp $ */
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/*-
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)stat.h 8.9 (Berkeley) 8/17/94
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*/
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#ifndef _SYS_STAT_H_
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#define _SYS_STAT_H_
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#include <sys/time.h>
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struct stat {
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mode_t st_mode; /* inode protection mode */
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dev_t st_dev; /* inode's device */
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ino_t st_ino; /* inode's number */
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nlink_t st_nlink; /* number of hard links */
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uid_t st_uid; /* user ID of the file's owner */
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gid_t st_gid; /* group ID of the file's group */
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dev_t st_rdev; /* device type */
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#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
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struct timespec st_atim; /* time of last access */
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struct timespec st_mtim; /* time of last data modification */
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struct timespec st_ctim; /* time of last file status change */
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#else
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time_t st_atime; /* time of last access */
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long st_atimensec; /* nsec of last access */
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time_t st_mtime; /* time of last data modification */
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long st_mtimensec; /* nsec of last data modification */
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time_t st_ctime; /* time of last file status change */
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long st_ctimensec; /* nsec of last file status change */
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#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */
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off_t st_size; /* file size, in bytes */
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blkcnt_t st_blocks; /* blocks allocated for file */
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blksize_t st_blksize; /* optimal blocksize for I/O */
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u_int32_t st_flags; /* user defined flags for file */
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u_int32_t st_gen; /* file generation number */
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#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
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struct timespec __st_birthtim; /* time of file creation */
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#else
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time_t __st_birthtime; /* time of file creation */
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long __st_birthtimensec; /* nsec of file creation */
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#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */
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};
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#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
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#define st_atime st_atim.tv_sec
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#define st_mtime st_mtim.tv_sec
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#define st_ctime st_ctim.tv_sec
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#define __st_birthtime __st_birthtim.tv_sec
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#endif
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#if __BSD_VISIBLE
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#define st_atimespec st_atim
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#define st_atimensec st_atim.tv_nsec
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#define st_mtimespec st_mtim
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#define st_mtimensec st_mtim.tv_nsec
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#define st_ctimespec st_ctim
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#define st_ctimensec st_ctim.tv_nsec
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#define __st_birthtimespec __st_birthtim
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#define __st_birthtimensec __st_birthtim.tv_nsec
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#endif
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#define S_ISUID 0004000 /* set user id on execution */
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#define S_ISGID 0002000 /* set group id on execution */
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#if __BSD_VISIBLE
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#define S_ISTXT 0001000 /* sticky bit */
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#endif
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#define S_IRWXU 0000700 /* RWX mask for owner */
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#define S_IRUSR 0000400 /* R for owner */
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#define S_IWUSR 0000200 /* W for owner */
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#define S_IXUSR 0000100 /* X for owner */
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#if __BSD_VISIBLE
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#define S_IREAD S_IRUSR
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#define S_IWRITE S_IWUSR
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#define S_IEXEC S_IXUSR
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#endif
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#define S_IRWXG 0000070 /* RWX mask for group */
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#define S_IRGRP 0000040 /* R for group */
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#define S_IWGRP 0000020 /* W for group */
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#define S_IXGRP 0000010 /* X for group */
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#define S_IRWXO 0000007 /* RWX mask for other */
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#define S_IROTH 0000004 /* R for other */
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#define S_IWOTH 0000002 /* W for other */
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#define S_IXOTH 0000001 /* X for other */
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#if __XPG_VISIBLE || __BSD_VISIBLE
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#define S_IFMT 0170000 /* type of file mask */
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#define S_IFIFO 0010000 /* named pipe (fifo) */
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#define S_IFCHR 0020000 /* character special */
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#define S_IFDIR 0040000 /* directory */
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#define S_IFBLK 0060000 /* block special */
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#define S_IFREG 0100000 /* regular */
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#define S_IFLNK 0120000 /* symbolic link */
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#define S_IFSOCK 0140000 /* socket */
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#define S_ISVTX 0001000 /* save swapped text even after use */
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#endif
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#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */
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#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */
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#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */
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#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */
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#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */
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#if __POSIX_VISIBLE >= 200112 || __BSD_VISIBLE
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#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */
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#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */
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#endif
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#if __POSIX_VISIBLE >= 200809
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/* mandated to be present, but permitted to always return zero */
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#define S_TYPEISMQ(m) 0
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#define S_TYPEISSEM(m) 0
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#define S_TYPEISSHM(m) 0
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#endif
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#if __BSD_VISIBLE
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#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 00777 */
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/* 07777 */
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#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
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/* 00666 */
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#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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#define S_BLKSIZE 512 /* block size used in the stat struct */
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/*
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* Definitions of flags stored in file flags word.
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*
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* Super-user and owner changeable flags.
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*/
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#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
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#define UF_NODUMP 0x00000001 /* do not dump file */
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#define UF_IMMUTABLE 0x00000002 /* file may not be changed */
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#define UF_APPEND 0x00000004 /* writes to file may only append */
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#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
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/*
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* Super-user changeable flags.
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*/
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#define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
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#define SF_ARCHIVED 0x00010000 /* file is archived */
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#define SF_IMMUTABLE 0x00020000 /* file may not be changed */
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#define SF_APPEND 0x00040000 /* writes to file may only append */
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#ifdef _KERNEL
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/*
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* Shorthand abbreviations of above.
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*/
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#define OPAQUE (UF_OPAQUE)
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#define APPEND (UF_APPEND | SF_APPEND)
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#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
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#endif /* _KERNEL */
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#endif /* __BSD_VISIBLE */
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#if __POSIX_VISIBLE >= 200809
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#define UTIME_NOW -2L
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#define UTIME_OMIT -1L
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#endif /* __POSIX_VISIBLE */
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#ifndef _KERNEL
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__BEGIN_DECLS
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int chmod(const char *, mode_t);
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int fstat(int, struct stat *);
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int mknod(const char *, mode_t, dev_t);
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int mkdir(const char *, mode_t);
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int mkfifo(const char *, mode_t);
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int stat(const char *, struct stat *);
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mode_t umask(mode_t);
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#if __POSIX_VISIBLE >= 200112L || __XPG_VISIBLE >= 420 || __BSD_VISIBLE
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int fchmod(int, mode_t);
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int lstat(const char *, struct stat *);
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#endif
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#if __POSIX_VISIBLE >= 200809
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int fchmodat(int, const char *, mode_t, int);
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int fstatat(int, const char *, struct stat *, int);
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int mkdirat(int, const char *, mode_t);
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int mkfifoat(int, const char *, mode_t);
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int mknodat(int, const char *, mode_t, dev_t);
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int utimensat(int, const char *, const struct timespec [2], int);
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int futimens(int, const struct timespec [2]);
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#endif
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#if __BSD_VISIBLE
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int chflags(const char *, unsigned int);
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int chflagsat(int, const char *, unsigned int, int);
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int fchflags(int, unsigned int);
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int isfdtype(int, int);
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#endif
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__END_DECLS
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#endif
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#endif /* !_SYS_STAT_H_ */
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