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.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" 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.
.\" 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.
.\"
.\" @(#)rmdir.2 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd December 9, 2006
.Dt RMDIR 2
.Os
.Sh NAME
.Nm rmdir
.Nd remove a directory file
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fn rmdir "const char *path"
.Sh DESCRIPTION
The
.Fn rmdir
system call
removes a directory file
whose name is given by
.Fa path .
The directory must not have any entries other
than
.Ql .\&
and
.Ql \&.. .
.Sh RETURN VALUES
.Rv -std rmdir
.Sh ERRORS
The named file is removed unless:
.Bl -tag -width Er
.It Bq Er ENOTDIR
A component of the path is not a directory.
.It Bq Er ENAMETOOLONG
A component of a pathname exceeded 255 characters,
or an entire path name exceeded 1023 characters.
.It Bq Er ENOENT
The named directory does not exist.
.It Bq Er ELOOP
Too many symbolic links were encountered in translating the pathname.
.It Bq Er ENOTEMPTY
The named directory contains files other than
.Ql .\&
and
.Ql ..\&
in it.
.It Bq Er EACCES
Search permission is denied for a component of the path prefix.
.It Bq Er EACCES
Write permission is denied on the directory containing the link
to be removed.
.It Bq Er EPERM
The directory to be removed has its immutable, undeletable or append-only flag
set, see the
.Xr chflags 2
manual page for more information.
.It Bq Er EPERM
The parent directory of the directory to be removed has its immutable or
append-only flag set.
.It Bq Er EPERM
The directory containing the directory to be removed is marked sticky,
and neither the containing directory nor the directory to be removed
are owned by the effective user ID.
.It Bq Er EINVAL
The last component of the path is
.Ql .\&
or
.Ql .. .
.It Bq Er EBUSY
The directory to be removed is the mount point
for a mounted file system.
.It Bq Er EIO
An I/O error occurred while deleting the directory entry
or deallocating the inode.
.It Bq Er EROFS
The directory entry to be removed resides on a read-only file system.
.It Bq Er EFAULT
The
.Fa path
argument
points outside the process's allocated address space.
.El
.Sh SEE ALSO
.Xr mkdir 2 ,
.Xr unlink 2
.Sh HISTORY
The
.Fn rmdir
system call appeared in
.Bx 4.2 .
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