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Annotation of src/lib/libc/gen/basename.3, Revision 1.3

1.3     ! garbled     1: .\"    $NetBSD: basename.3,v 1.2 1998/02/05 18:45:54 perry Exp $
1.1       kleink      2: .\"
                      3: .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
                      4: .\" All rights reserved.
                      5: .\"
                      6: .\" This code is derived from software contributed to The NetBSD Foundation
                      7: .\" by Klaus Klein.
                      8: .\"
                      9: .\" Redistribution and use in source and binary forms, with or without
                     10: .\" modification, are permitted provided that the following conditions
                     11: .\" are met:
                     12: .\" 1. Redistributions of source code must retain the above copyright
                     13: .\"    notice, this list of conditions and the following disclaimer.
                     14: .\" 2. Redistributions in binary form must reproduce the above copyright
                     15: .\"    notice, this list of conditions and the following disclaimer in the
                     16: .\"    documentation and/or other materials provided with the distribution.
                     17: .\" 3. All advertising materials mentioning features or use of this software
                     18: .\"    must display the following acknowledgement:
                     19: .\"        This product includes software developed by the NetBSD
                     20: .\"        Foundation, Inc. and its contributors.
                     21: .\" 4. Neither the name of The NetBSD Foundation nor the names of its
                     22: .\"    contributors may be used to endorse or promote products derived
                     23: .\"    from this software without specific prior written permission.
                     24: .\"
                     25: .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     26: .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     27: .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     28: .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     29: .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     30: .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     31: .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     32: .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     33: .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     34: .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     35: .\" POSSIBILITY OF SUCH DAMAGE.
                     36: .\"
                     37: .Dd Oct 31, 1997
                     38: .Dt BASENAME 3
1.3     ! garbled    39: .Os
1.1       kleink     40: .Sh NAME
                     41: .Nm basename
                     42: .Nd return the last component of a pathname
1.2       perry      43: .Sh LIBRARY
                     44: .Lb libc
1.1       kleink     45: .Sh SYNOPSIS
                     46: .Fd #include <libgen.h>
                     47: .Ft char *
                     48: .Fn basename "char *path"
                     49: .Sh DESCRIPTION
                     50: The
                     51: .Fn basename
                     52: function takes the pathname pointed to by
                     53: .Ar path
                     54: and returns a pointer to the final component of the pathname,
                     55: deleting and trailing '/' characters.
                     56: .Pp
                     57: If
                     58: .Ar path
                     59: consists entirely of '/' characters,
                     60: .Fn basename
                     61: returns a pointer to the string "/".
                     62: .Pp
                     63: If
                     64: .Ar path
                     65: is a null pointer or points to an empty string,
                     66: .Fn basename
                     67: returns a pointer to the string ".".
                     68: .Pp
                     69: .Sh RETURN VALUES
                     70: The
                     71: .Fn basename
                     72: function returns a pointer to the final component of
                     73: .Ar path .
                     74: .Sh SEE ALSO
                     75: .Xr dirname 3
                     76: .Sh STANDARDS
                     77: .Bl -bullet -compact
                     78: .It
                     79: .St -xpg4.2
                     80: .El
                     81: .Sh BUGS
                     82: The
                     83: .Fn basename
                     84: function may modify the string pointed to by
                     85: .Ar path .

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