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7bdf80e571
in a bunch of man pages. Use the correct .Bx (BSD UNIX) or .At (AT&T UNIX) macros instead of explicitly specifying the version in the text in a bunch of man pages.
143 lines
4.6 KiB
Groff
143 lines
4.6 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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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. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. 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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.\" @(#)symlink.2 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt SYMLINK 2
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.Os BSD 4.2
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.Sh NAME
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.Nm symlink
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.Nd make symbolic link to a file
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.Sh SYNOPSIS
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.Fd #include <unistd.h>
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.Ft int
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.Fn symlink "const char *name1" "const char *name2"
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.Sh DESCRIPTION
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A symbolic link
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.Fa name2
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is created to
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.Fa name1
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.Pf ( Fa name2
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is the name of the
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file created,
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.Fa name1
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is the string
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used in creating the symbolic link).
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Either name may be an arbitrary path name; the files need not
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be on the same file system.
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.Sh RETURN VALUES
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Upon successful completion, a zero value is returned.
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If an error occurs, the error code is stored in
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.Va errno
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and a -1 value is returned.
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.Sh ERRORS
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The symbolic link succeeds unless:
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.Bl -tag -width ENAMETOO
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.It Bq Er ENOTDIR
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A component of the
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.Fa name2
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prefix is not a directory.
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.It Bq Er EINVAL
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Either
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.Fa name1
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or
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.Fa name2
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contains a character with the high-order bit set.
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.It Bq Er ENAMETOOLONG
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A component of either pathname exceeded 255 characters,
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or the entire length of either path name exceeded 1023 characters.
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.It Bq Er ENOENT
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The named file does not exist.
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.It Bq Er EACCES
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A component of the
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.Fa name2
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path prefix denies search permission.
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.It Bq Er ELOOP
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Too many symbolic links were encountered in translating the pathname.
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.It Bq Er EEXIST
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.Fa Name2
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already exists.
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.It Bq Er EIO
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An I/O error occurred while making the directory entry for
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.Fa name2 ,
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or allocating the inode for
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.Fa name2 ,
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or writing out the link contents of
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.Fa name2 .
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.It Bq Er EROFS
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The file
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.Fa name2
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would reside on a read-only file system.
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.It Bq Er ENOSPC
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The directory in which the entry for the new symbolic link is being placed
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cannot be extended because there is no space left on the file
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system containing the directory.
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.It Bq Er ENOSPC
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The new symbolic link cannot be created because there
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there is no space left on the file
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system that will contain the symbolic link.
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.It Bq Er ENOSPC
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There are no free inodes on the file system on which the
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symbolic link is being created.
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.It Bq Er EDQUOT
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The directory in which the entry for the new symbolic link
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is being placed cannot be extended because the
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user's quota of disk blocks on the file system
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containing the directory has been exhausted.
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.It Bq Er EDQUOT
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The new symbolic link cannot be created because the user's
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quota of disk blocks on the file system that will
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contain the symbolic link has been exhausted.
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.It Bq Er EDQUOT
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The user's quota of inodes on the file system on
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which the symbolic link is being created has been exhausted.
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.It Bq Er EIO
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An I/O error occurred while making the directory entry or allocating the inode.
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.It Bq Er EFAULT
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.Fa Name1
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or
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.Fa name2
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points outside the process's allocated address space.
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.El
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.Sh SEE ALSO
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.Xr ln 1 ,
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.Xr link 2 ,
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.Xr lstat 2 ,
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.Xr readlink 2 ,
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.Xr symlink 7 ,
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.Xr unlink 2
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.Sh HISTORY
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The
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.Fn symlink
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function call appeared in
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.Bx 4.2 .
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