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-.\" Hey Emacs! This file is -*- nroff -*- source.
-.\"
-.\" This manpage is Copyright (C) 2006, Michael Kerrisk
-.\"
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-.\" manual provided the copyright notice and this permission notice are
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-.\" manual under the conditions for verbatim copying, provided that the
-.\" entire resulting derived work is distributed under the terms of a
-.\" permission notice identical to this one.
-.\"
-.\" Since the Linux kernel and libraries are constantly changing, this
-.\" manual page may be incorrect or out-of-date.  The author(s) assume no
-.\" responsibility for errors or omissions, or for damages resulting from
-.\" the use of the information contained herein.  The author(s) may not
-.\" have taken the same level of care in the production of this manual,
-.\" which is licensed free of charge, as they might when working
-.\" professionally.
-.\"
-.\" Formatted or processed versions of this manual, if unaccompanied by
-.\" the source, must acknowledge the copyright and authors of this work.
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-.\"
-.TH LINKAT 2 2009-12-13 "Linux" "Linux Programmer's Manual"
-.SH NAME
-linkat \- create a file link relative to directory file descriptors
-.SH SYNOPSIS
-.nf
-.B #include <fcntl.h>           /* Definition of AT_* constants */
-.B #include <unistd.h>
-.sp
-.BI "int linkat(int " olddirfd ", const char *" oldpath ,
-.BI "           int " newdirfd ", const char *" newpath ", int " flags );
-.fi
-.sp
-.in -4n
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.in
-.sp
-.BR linkat ():
-.PD 0
-.ad l
-.RS 4
-.TP 4
-Since glibc 2.10:
-_XOPEN_SOURCE\ >=\ 700 || _POSIX_C_SOURCE\ >=\ 200809L
-.TP
-Before glibc 2.10:
-_ATFILE_SOURCE
-.RE
-.ad
-.PD
-.SH DESCRIPTION
-The
-.BR linkat ()
-system call operates in exactly the same way as
-.BR link (2),
-except for the differences described in this manual page.
-
-If the pathname given in
-.I oldpath
-is relative, then it is interpreted relative to the directory
-referred to by the file descriptor
-.I olddirfd
-(rather than relative to the current working directory of
-the calling process, as is done by
-.BR link (2)
-for a relative pathname).
-
-If
-.I oldpath
-is relative and
-.I olddirfd
-is the special value
-.BR AT_FDCWD ,
-then
-.I oldpath
-is interpreted relative to the current working
-directory of the calling process (like
-.BR link (2)).
-
-If
-.I oldpath
-is absolute, then
-.I olddirfd
-is ignored.
-
-The interpretation of
-.I newpath
-is as for
-.IR oldpath ,
-except that a relative pathname is interpreted relative
-to the directory referred to by the file descriptor
-.IR newdirfd .
-
-By default,
-.BR linkat (),
-does not dereference
-.I oldpath
-if it is a symbolic link (like
-.BR link (2)).
-Since Linux 2.6.18, the flag
-.B AT_SYMLINK_FOLLOW
-can be specified in
-.I flags
-to cause
-.I oldpath
-to be dereferenced if it is a symbolic link.
-Before kernel 2.6.18, the
-.I flags
-argument was unused, and had to be specified as 0.
-.SH "RETURN VALUE"
-On success,
-.BR linkat ()
-returns 0.
-On error, \-1 is returned and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-The same errors that occur for
-.BR link (2)
-can also occur for
-.BR linkat ().
-The following additional errors can occur for
-.BR linkat ():
-.TP
-.B EBADF
-.I olddirfd
-or
-.I newdirfd
-is not a valid file descriptor.
-.TP
-.B ENOTDIR
-.I oldpath
-is relative and
-.I olddirfd
-is a file descriptor referring to a file other than a directory;
-or similar for
-.I newpath
-and
-.I newdirfd
-.SH VERSIONS
-.BR linkat ()
-was added to Linux in kernel 2.6.16.
-.SH "CONFORMING TO"
-POSIX.1-2008.
-.SH NOTES
-See
-.BR openat (2)
-for an explanation of the need for
-.BR linkat ().
-.SH "SEE ALSO"
-.BR link (2),
-.BR openat (2),
-.BR path_resolution (7),
-.BR symlink (7)
+.so man2/link.2