1.\" $NetBSD: pmatch.9,v 1.3 2009/10/19 18:41:09 bouyer Exp $ 2.\" 3.\" Copyright (c) 2003 Manuel Bouyer. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 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.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.\" 25.\" 26.Dd October 12, 2003 27.Dt PMATCH 9 28.Os 29.Sh NAME 30.Nm pmatch 31.Nd performs pattern matching on strings 32.Sh SYNOPSIS 33.In sys/systm.h 34.Ft int 35.Fn pmatch "const char *string" "const char *pattern" "const char **estr" 36.Sh DESCRIPTION 37Extract substring matching 38.Fa pattern 39from 40.Fa string . 41If not 42.Dv NULL , 43.Fa estr 44points to the end of the longest exact or substring match. 45.Pp 46.Fn pmatch 47uses the following metacharacters: 48.Bl -tag -width Ds 49.It Li \&? 50match any single character. 51.It Li * 52match any character 0 or more times. 53.It Li \&[ 54define a range of characters that will match. 55The range is defined by 2 characters separated by a 56.Sq Li \&- . 57The range definition has to end with a 58.Sq Li \&] . 59A 60.Sq Li ^ 61following the 62.Sq Li \&[ 63will negate the range. 64.El 65.Sh RETURN VALUES 66.Fn pmatch 67will return 2 for an exact match, 1 for a substring match, 0 for no match and 68\-1 if an error occurs. 69