.\"	$NetBSD: basename.3,v 1.6 2001/09/16 02:57:03 wiz Exp $
.\"
.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Klaus Klein.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"    must display the following acknowledgement:
.\"        This product includes software developed by the NetBSD
.\"        Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\"    contributors may be used to endorse or promote products derived
.\"    from this software without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.Dd October 31, 1997
.Dt BASENAME 3
.Os
.Sh NAME
.Nm basename
.Nd return the last component of a pathname
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.Fd #include <libgen.h>
.Ft char *
.Fn basename "char *path"
.Sh DESCRIPTION
The
.Fn basename
function takes the pathname pointed to by
.Ar path
and returns a pointer to the final component of the pathname,
deleting and trailing '/' characters.
.Pp
If
.Ar path
consists entirely of '/' characters,
.Fn basename
returns a pointer to the string "/".
.Pp
If
.Ar path
is a null pointer or points to an empty string,
.Fn basename
returns a pointer to the string ".".
.Sh RETURN VALUES
The
.Fn basename
function returns a pointer to the final component of
.Ar path .
.Sh SEE ALSO
.Xr dirname 3
.Sh STANDARDS
.Bl -bullet -compact
.It
.St -xpg4.2
.El
.Sh BUGS
The
.Fn basename
function may modify the string pointed to by
.Ar path .