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-.\"
-.\" Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
-.\" 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.
-.\" 3. The name of the author may not be used to endorse or promote products
-.\" derived from this software without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
-.\"
-.\" $OpenBSD: dirname.3,v 1.9 2000/04/18 03:01:25 aaron Exp $
-.\" $FreeBSD$
-.\"
-.Dd August 17, 1997
-.Dt DIRNAME 3
-.Os
-.Sh NAME
-.Nm dirname
-.Nd extract the directory portition of a pathname
-.Sh SYNOPSIS
-.Fd #include <libgen.h>
-.Ft char *
-.Fn dirname "const char *path"
-.Sh DESCRIPTION
-The
-.Fn dirname
-function
-is the converse of
-.Xr basename 3 ;
-it returns a pointer to the parent directory of the pathname pointed to by
-.Ar path .
-Any trailing
-.Sq \&/
-characters are not counted as part of the directory
-name.
-If
-.Ar path
-is a null pointer, the empty string, or contains no
-.Sq \&/
-characters,
-.Fn dirname
-returns a pointer to the string
-.Qq \&. ,
-signifying the current directory.
-.Sh RETURN VALUES
-On successful completion,
-.Fn dirname
-returns a pointer to the parent directory of
-.Ar path .
-.Pp
-If
-.Fn dirname
-fails, a null pointer is returned and the global variable
-.Va errno
-is set to indicate the error.
-.Sh ERRORS
-The following error codes may be set in
-.Va errno :
-.Bl -tag -width Er
-.It Bq Er ENAMETOOLONG
-The path component to be returned was larger than
-.Dv MAXPATHLEN .
-.El
-.Sh WARNINGS
-.Fn dirname
-returns a pointer to internal static storage space that will be overwritten
-by subsequent calls (each function has its own separate storage).
-.Pp
-Other vendor implementations of
-.Fn dirname
-may modify the contents of the string passed to
-.Fn dirname ;
-this should be taken into account when writing code which calls this function
-if portability is desired.
-.Sh SEE ALSO
-.Xr basename 1 ,
-.Xr dirname 1 ,
-.Xr basename 3
-.Sh STANDARDS
-The
-.Fn dirname
-function conforms to
-.St -xpg4.2 .
-.Sh HISTORY
-The
-.Fn dirname
-function first appeared in
-.Ox 2.2 .
-.Sh AUTHOR
-Todd C. Miller <Todd.Miller@courtesan.com>