=====setlocale=====
Syntax:

<code>
    #include <clocale>
    char *setlocale( int category, const char * locale );
</code>

The setlocale function is used to set and retrieve the current locale. If
''locale'' is NULL, the current locale is returned. Otherwise, ''locale'' is used to
set the locale for the given category.

The argument ''category'' can have the following values:

^Value^Description^
|LC_ALL|All of the locale|
|LC_TIME|Date and time formatting|
|LC_NUMERIC|Number formatting|
|LC_COLLATE|String collation and regular expression matching|
|LC_CTYPE|Regular expression matching, conversion, case-sensitive comparison, wide character functions, and character classification.|
|LC_MESSAGES|For natural language messages|

Related Topics: [[c/string/strcoll]]