.\" <jochen.hein@delphi.central.de>
.\" Modified Thu Apr 25 00:43:19 2002 by Bruno Haible <bruno@clisp.org>
.\"
-.\" FIXME Document LOCPATH;
-.\" see http://sourceware.org/bugzilla/show_bug.cgi?id=174
-.\" Is removed for SUID/SGID programs (see sysdeps/generic/unsecvars.h)
-.TH LOCALE 7 2014-03-18 "Linux" "Linux Programmer's Manual"
+.TH LOCALE 7 2014-12-31 "Linux" "Linux Programmer's Manual"
.SH NAME
locale \- description of multilanguage support
.SH SYNOPSIS
.IR <langinfo.h> .)
.TP
.B LC_COLLATE
-This is used to change the behavior of the functions
+This category governs the collation rules used for
+sorting and regular expressions,
+including character equivalence classes and
+multicharacter collating elements.
+This locale category changes the behavior of the functions
.BR strcoll (3)
and
.BR strxfrm (3),
the German sharp s is sorted as "ss".
.TP
.B LC_CTYPE
-This changes the behavior of the character handling and
+This category determines the interpretation of byte sequences as characters
+(e.g., single versus multibyte characters), character classifications
+(e.g., alphabetic or digit), and the behavior of character classes.
+It changes the behavior of the character handling and
classification functions, such as
.BR isupper (3)
and
.TP
.BR LC_IDENTIFICATION " (GNU extension, since glibc 2.2)"
.\" See ISO/IEC Technical Report 14652
-Change settings that relate to the metdata for the locale.
+Change settings that relate to the metadata for the locale.
Applications that need this information can use
.BR nl_langinfo (3)
to retrieve nonstandard elements, such as
(title of this locale document)
and
.B _NL_IDENTIFICATION_TERRITORY
-(geograpical territory to which this locale document applies),
+(geographical territory to which this locale document applies),
which might return strings such as "English locale for the USA"
and "USA".
(Other element names are listed in
.IR <langinfo.h> .)
.TP
.B LC_MONETARY
+This category determines the formatting used for
+monetary-related numeric values.
This changes the information returned by
-.BR localeconv (3)
+.BR localeconv (3),
which describes the way numbers are usually printed, with details such
as decimal point versus decimal comma.
This information is internally
.BR strfmon (3).
.TP
.B LC_MESSAGES
-This changes the language messages are displayed in and what an affirmative or
-negative answer looks like.
-The GNU C-library contains the
+This category affects the language in which messages are displayed
+and what an affirmative or negative answer looks like.
+The GNU C library contains the
.BR gettext (3),
.BR ngettext (3),
and
(containing a colon-separated list of locales)
if the category is set to a valid locale other than
.BR """C""" .
+This category also affects the behavior of
+.BR catopen (3).
.TP
.BR LC_MEASUREMENT " (GNU extension, since glibc 2.2)"
Change the settings relating to the measurement system in the locale
.IR <langinfo.h> .)
.TP
.B LC_NUMERIC
-This changes the information used by the
-.BR printf (3)
+This category determines the formatting rules used for nonmonetary
+numeric values\(emfor example,
+the thousands separator and the radix character
+(a period in most English-speaking countries,
+but a comma in many other regions).
+It affects functions such as
+.BR printf (3),
+.BR scanf (3),
and
-.BR scanf (3)
-family of functions, when they are advised to use the locale settings.
+.BR strtod (3).
This information can also be read with the
.BR localeconv (3)
function.
.IR <langinfo.h> .)
.TP
.B LC_TIME
-This changes the behavior of the
-.BR strftime (3)
-function to display the current time in a locally acceptable form; for
-example, most of Europe uses a 24-hour clock versus the
+This category governs the formatting used for date and time values.
+For example, most of Europe uses a 24-hour clock versus the
12-hour clock used in the United States.
+The setting of this category affects the behavior of functions such as
+.BR strftime (3)
+and
+.BR strptime (3).
.TP
.B LC_ALL
All of the above.
.BR toupper (3))
to allow the specification of a locale object that should apply when
executing the function.
+.SH ENVIRONMENT
+The following environment variable is used by
+.BR newlocale (3)
+and
+.BR setlocale (3),
+and thus affects all unprivileged localized programs:
+.TP
+.B LOCPATH
+A list of pathnames, separated by colons (\(aq:\(aq),
+that should be used to find locale data.
+If this variable is set,
+only the individual compiled locale data files from
+.I LOCPATH
+and the system default locale data path are used;
+any available locale archives are not used (see
+.BR localedef (1)).
+The individual compiled locale data files are searched for under
+subdirectories which depend on the currently used locale.
+For example, when
+.I en_GB.UTF-8
+is used for a category, the following subdirectories are searched for,
+in this order:
+.IR en_GB.UTF-8 ,
+.IR en_GB.utf8 ,
+.IR en_GB ,
+.IR en.UTF-8 ,
+.IR en.utf8 ,
+and
+.IR en .
+.SH FILES
+.TP
+.I /usr/lib/locale/locale-archive
+Usual default locale archive location.
+.TP
+.I /usr/lib/locale
+Usual default path for compiled individual locale files.
.SH CONFORMING TO
POSIX.1-2001.
.\"
.BR strxfrm (3),
.BR uselocale (3),
.BR wcstombs (3),
-.BR locale (5)
+.BR locale (5),
+.BR charsets (7),
+.BR unicode (7),
+.BR utf-8 (7)
.SH COLOPHON
-This page is part of release 3.64 of the Linux
+This page is part of release 3.79 of the Linux
.I man-pages
project.
A description of the project,
-and information about reporting bugs,
+information about reporting bugs,
+and the latest version of this page,
can be found at
\%http://www.kernel.org/doc/man\-pages/.
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