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