1.\" Copyright (c) 2011 The FreeBSD Foundation 2.\" All rights reserved. 3.\" 4.\" This documentation was written by David Chisnall under sponsorship from 5.\" the FreeBSD Foundation. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd September 17, 2011 31.Dt USELOCALE 3 32.Os 33.Sh NAME 34.Nm uselocale 35.Nd Sets a thread-local locale 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In locale.h 40.Ft locale_t 41.Fn uselocale "locale_t locale" 42.Sh DESCRIPTION 43Specifies the locale for this thread to use. 44Specifying 45.Fa LC_GLOBAL_LOCALE 46disables the per-thread locale, 47while NULL returns the current locale without setting a new one. 48.Sh RETURN VALUES 49Returns the previous locale, 50or LC_GLOBAL_LOCALE if this thread has no locale associated with it. 51.Sh SEE ALSO 52.Xr duplocale 3 , 53.Xr freelocale 3 , 54.Xr localeconv 3 , 55.Xr newlocale 3 , 56.Xr querylocale 3 , 57.Xr xlocale 3 58.Sh STANDARDS 59This function conforms to 60.St -p1003.1-2008 . 61