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diff --git a/include/mach/sa/sys/stat.h b/include/mach/sa/sys/stat.h
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+/*-
+ * Copyright (c) 1982, 1986, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)stat.h	8.6 (Berkeley) 3/8/94
+ * stat.h,v 1.5 1994/10/02 17:24:57 phk Exp
+ */
+
+#ifndef _MACH_SA_SYS_STAT_H_
+#define	_MACH_SA_SYS_STAT_H_
+
+#include <sys/types.h>
+
+/*
+ * XXX we need this for struct timespec.  We get miscellaneous namespace
+ * pollution with it.  struct timespace itself is namespace pollution if
+ * _POSIX_SOURCE is defined.
+ */
+#include <sys/time.h>
+
+struct stat {
+	dev_t		st_dev;		/* inode's device */
+	ino_t		st_ino;		/* inode's number */
+	mode_t		st_mode;	/* inode protection mode */
+	nlink_t		st_nlink;	/* number of hard links */
+	uid_t		st_uid;		/* user ID of the file's owner */
+	gid_t		st_gid;		/* group ID of the file's group */
+	dev_t		st_rdev;	/* device type */
+	time_t		st_atime;	/* time of last access */
+	time_t		st_mtime;	/* time of last data modification */
+	time_t		st_ctime;	/* time of last file status change */
+	off_t		st_size;	/* file size, in bytes */
+	unsigned long	st_blocks;	/* blocks allocated for file */
+	unsigned long	st_blksize;	/* optimal blocksize for I/O */
+};
+
+#define	S_ISUID	0004000			/* set user id on execution */
+#define	S_ISGID	0002000			/* set group id on execution */
+#ifndef _POSIX_SOURCE
+#define	S_ISTXT	0001000			/* sticky bit */
+#endif
+
+#define	S_IRWXU	0000700			/* RWX mask for owner */
+#define	S_IRUSR	0000400			/* R for owner */
+#define	S_IWUSR	0000200			/* W for owner */
+#define	S_IXUSR	0000100			/* X for owner */
+
+#define	S_IRWXG	0000070			/* RWX mask for group */
+#define	S_IRGRP	0000040			/* R for group */
+#define	S_IWGRP	0000020			/* W for group */
+#define	S_IXGRP	0000010			/* X for group */
+
+#define	S_IRWXO	0000007			/* RWX mask for other */
+#define	S_IROTH	0000004			/* R for other */
+#define	S_IWOTH	0000002			/* W for other */
+#define	S_IXOTH	0000001			/* X for other */
+
+#ifndef _POSIX_SOURCE
+#define	S_IFMT	 0170000		/* type of file mask */
+#define	S_IFIFO	 0010000		/* named pipe (fifo) */
+#define	S_IFCHR	 0020000		/* character special */
+#define	S_IFDIR	 0040000		/* directory */
+#define	S_IFBLK	 0060000		/* block special */
+#define	S_IFREG	 0100000		/* regular */
+#define	S_IFLNK	 0120000		/* symbolic link */
+#define	S_IFSOCK 0140000		/* socket */
+#define	S_ISVTX	 0001000		/* save swapped text even after use */
+#endif
+
+#define	S_ISDIR(m)	(((m) & 0170000) == 0040000)	/* directory */
+#define	S_ISCHR(m)	(((m) & 0170000) == 0020000)	/* char special */
+#define	S_ISBLK(m)	(((m) & 0170000) == 0060000)	/* block special */
+#define	S_ISREG(m)	(((m) & 0170000) == 0100000)	/* regular file */
+#define	S_ISFIFO(m)	(((m) & 0170000) == 0010000 || \
+			 ((m) & 0170000) == 0140000)	/* fifo or socket */
+#ifndef _POSIX_SOURCE
+#define	S_ISLNK(m)	(((m) & 0170000) == 0120000)	/* symbolic link */
+#define	S_ISSOCK(m)	(((m) & 0170000) == 0010000 || \
+			 ((m) & 0170000) == 0140000)	/* fifo or socket */
+#endif
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int chmod(const char *, mode_t);
+int fstat(int, struct stat *);
+int mkdir(const char *, mode_t);
+int mkfifo(const char *, mode_t);
+int stat(const char *, struct stat *);
+mode_t umask(mode_t);
+__END_DECLS
+
+#endif /* !_MACH_SA_SYS_STAT_H_ */