2 .\" Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
3 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
8 .\" 1. Redistributions of source code must retain the above copyright
9 .\" notice, this list of conditions and the following disclaimer.
10 .\" 2. Redistributions in binary form must reproduce the above copyright
11 .\" notice, this list of conditions and the following disclaimer in the
12 .\" documentation and/or other materials provided with the distribution.
13 .\" 3. The name of the author may not be used to endorse or promote products
14 .\" derived from this software without specific prior written permission.
16 .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
17 .\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
18 .\" AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
19 .\" THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 .\" EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 .\" PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 .\" OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 .\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 .\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 .\" $OpenBSD: basename.3,v 1.12 2000/04/18 03:01:25 aaron Exp $
28 .\" $FreeBSD: src/lib/libc/gen/basename.3,v 1.1.2.5 2003/03/15 15:11:05 trhodes Exp $
29 .\" $DragonFly: src/lib/libc/gen/basename.3,v 1.3 2007/08/18 20:48:47 swildner Exp $
36 .Nd extract the base portion of a pathname
42 .Fn basename "const char *path"
47 returns the last component from the pathname pointed to by
56 characters, a pointer to the string
61 is a null pointer or the empty string, a pointer to the string
65 On successful completion,
67 returns a pointer to the last component of
72 fails, a null pointer is returned and the global variable
74 is set to indicate the error.
76 The following error codes may be set in
79 .It Bq Er ENAMETOOLONG
80 The path component to be returned was larger than
87 returns a pointer to internal static storage space that will be overwritten
101 function first appeared in
106 .An Todd C. Miller Aq Mt Todd.Miller@courtesan.com