1 '\" te
2 .\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
3 .\" Copyright 1989 AT&T
4 .\" Portions Copyright (c) 1992, X/Open Company Limited All Rights Reserved.
5 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at
6 .\" http://www.opengroup.org/bookstore/.
7 .\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text are reprinted and reproduced in electronic form in the Sun OS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between these versions and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html.
8 .\" This notice shall appear on any product containing this material.
9 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
10 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
11 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
12 .TH UNLINK 2 "May 18, 2007"
13 .SH NAME
14 unlink, unlinkat \- remove directory entry
15 .SH SYNOPSIS
16 .LP
17 .nf
18 #include <unistd.h>
19
20 \fBint\fR \fBunlink\fR(\fBconst char *\fR\fIpath\fR);
21 .fi
22
23 .LP
24 .nf
25 \fBint\fR \fBunlinkat\fR(\fBint\fR \fIdirfd\fR, \fBconst char *\fR\fIpath\fR, \fBint\fR \fIflag\fR);
26 .fi
27
28 .SH DESCRIPTION
29 .sp
30 .LP
31 The \fBunlink()\fR function removes a link to a file. If \fIpath\fR names a
32 symbolic link, \fBunlink()\fR removes the symbolic link named by \fIpath\fR and
99 .RE
100
101 .sp
102 .ne 2
103 .na
104 \fB\fBEACCES\fR\fR
105 .ad
106 .RS 16n
107 The parent directory has the sticky bit set and the file is not writable by the
108 user, the user does not own the parent directory, the user does not own the
109 file, and the user is not a privileged user.
110 .RE
111
112 .sp
113 .ne 2
114 .na
115 \fB\fBEBUSY\fR\fR
116 .ad
117 .RS 16n
118 The entry to be unlinked is the mount point for a mounted file system.
119 .RE
120
121 .sp
122 .ne 2
123 .na
124 \fB\fBEFAULT\fR\fR
125 .ad
126 .RS 16n
127 The \fIpath\fR argument points to an illegal address.
128 .RE
129
130 .sp
131 .ne 2
132 .na
133 \fB\fBEILSEQ\fR\fR
134 .ad
135 .RS 16n
136 The path argument includes non-UTF8 characters and the file system accepts only
137 file names where all characters are part of the UTF-8 character codeset.
138 .RE
|
1 '\" te
2 .\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
3 .\" Copyright 1989 AT&T
4 .\" Portions Copyright (c) 1992, X/Open Company Limited All Rights Reserved.
5 .\" Copyright 2016 RackTop Systems.
6 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at
7 .\" http://www.opengroup.org/bookstore/.
8 .\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text are reprinted and reproduced in electronic form in the Sun OS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between these versions and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html.
9 .\" This notice shall appear on any product containing this material.
10 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
11 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
12 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
13 .TH UNLINK 2 "Dec 7, 2016"
14 .SH NAME
15 unlink, unlinkat \- remove directory entry
16 .SH SYNOPSIS
17 .LP
18 .nf
19 #include <unistd.h>
20
21 \fBint\fR \fBunlink\fR(\fBconst char *\fR\fIpath\fR);
22 .fi
23
24 .LP
25 .nf
26 \fBint\fR \fBunlinkat\fR(\fBint\fR \fIdirfd\fR, \fBconst char *\fR\fIpath\fR, \fBint\fR \fIflag\fR);
27 .fi
28
29 .SH DESCRIPTION
30 .sp
31 .LP
32 The \fBunlink()\fR function removes a link to a file. If \fIpath\fR names a
33 symbolic link, \fBunlink()\fR removes the symbolic link named by \fIpath\fR and
100 .RE
101
102 .sp
103 .ne 2
104 .na
105 \fB\fBEACCES\fR\fR
106 .ad
107 .RS 16n
108 The parent directory has the sticky bit set and the file is not writable by the
109 user, the user does not own the parent directory, the user does not own the
110 file, and the user is not a privileged user.
111 .RE
112
113 .sp
114 .ne 2
115 .na
116 \fB\fBEBUSY\fR\fR
117 .ad
118 .RS 16n
119 The entry to be unlinked is the mount point for a mounted file system.
120 .RE
121
122 .sp
123 .ne 2
124 .na
125 \fB\fBEEXIST\fR\fR
126 .ad
127 .RS 16n
128 The entry to be unlinked is a directory which is not empty.
129 .RE
130
131 .sp
132 .ne 2
133 .na
134 \fB\fBEFAULT\fR\fR
135 .ad
136 .RS 16n
137 The \fIpath\fR argument points to an illegal address.
138 .RE
139
140 .sp
141 .ne 2
142 .na
143 \fB\fBEILSEQ\fR\fR
144 .ad
145 .RS 16n
146 The path argument includes non-UTF8 characters and the file system accepts only
147 file names where all characters are part of the UTF-8 character codeset.
148 .RE
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