1.\" 2.\" Copyright (c) 2005 Tim J. Robbins 3.\" All rights reserved. 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 AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd July 21, 2005 27.Dt RPMATCH 3 28.Os 29.Sh NAME 30.Nm rpmatch 31.Nd "determine whether the response to a question is affirmative or negative" 32.Sh LIBRARY 33.Lb libc 34.Sh SYNOPSIS 35.In stdlib.h 36.Ft int 37.Fn rpmatch "const char *response" 38.Sh DESCRIPTION 39The 40.Fn rpmatch 41function determines whether the 42.Fa response 43argument is an affirmative or negative response to a question 44according to the current locale. 45.Sh RETURN VALUES 46The 47.Fn rpmatch 48functions returns: 49.Bl -tag -width indent 50.It 1 51The response is affirmative. 52.It 0 53The response is negative. 54.It \&-1 55The response is not recognized. 56.El 57.Sh SEE ALSO 58.Xr nl_langinfo 3 , 59.Xr setlocale 3 60.Sh HISTORY 61The 62.Fn rpmatch 63function appeared in 64.Fx 6.0 . 65