1.\" Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/lib/libc/locale/nl_langinfo.3,v 1.3.2.1 2002/03/12 17:17:48 phantom Exp $ 26.\" $DragonFly: src/lib/libc/locale/nl_langinfo.3,v 1.2 2003/06/17 04:26:44 dillon Exp $ 27.\" 28.Dd May 3, 2001 29.Dt NL_LANGINFO 3 30.Os 31.Sh NAME 32.Nm nl_langinfo 33.Nd language information 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In langinfo.h 38.Ft char * 39.Fn nl_langinfo "nl_item item" 40.Sh DESCRIPTION 41The 42.Fn nl_langinfo 43function returns a pointer to a string containing information relevant to 44the particular language or cultural area defined in the program's locale. 45The manifest constant names and values of 46.Fa item 47are defined in 48.Aq Pa langinfo.h . 49.Pp 50Calls to 51.Fn setlocale 52with a category corresponding to the category of 53.Fa item , 54or to the 55category 56.Dv LC_ALL , 57may overwrite buffer pointed by the return value. 58.Sh EXAMPLES 59For example: 60.Pp 61.Dl nl_langinfo(ABDAY_1) 62.Pp 63would return a pointer to the string 64.Qq Li Dom 65if the identified language was 66Portuguese, and 67.Qq Li Sun 68if the identified language was English. 69.Sh RETURN VALUES 70In a locale where langinfo data is not defined, 71.Fn nl_langinfo 72returns a pointer to the corresponding string in the 73.Tn POSIX 74locale. 75In all locales, 76.Fn nl_langinfo 77returns a pointer to an empty string if 78.Fa item 79contains an invalid setting. 80.Sh SEE ALSO 81.Xr setlocale 3 82.Sh STANDARDS 83The 84.Fn nl_langinfo 85function conforms to 86.St -susv2 . 87.Sh HISTORY 88The 89.Fn nl_langinfo 90function first appeared in 91.Fx 4.6 . 92