SETLOCALE (3)

SYNOPSIS

#include <locale.h>
  char *setlocale(int  category , const char *  locale );  

DESCRIPTION

The setlocale() function is used to set or query the program's current locale.

If locale is not NULL , the program's current locale is modified according to the arguments. The argument category determines which parts of the program's current locale should be modified.

LC_ALL

for all of the locale.

LC_COLLATE

for regular expression matching (it determines the meaning of range expressions and equivalence classes) and string collation.

LC_CTYPE

for regular expression matching, character classification, conversion, case-sensitive comparison, and wide character functions.

LC_MESSAGES

for localizable natural-language messages.

LC_MONETARY

for monetary formatting.

LC_NUMERIC

for number formatting (such as the decimal point and the thousands separator).

LC_TIME

for time and date formatting.

The argument locale is a pointer to a character string containing the required setting of category . Such a string is either a well-known constant like "C" or "da_DK" (see below), or an opaque string that was returned by another call of setlocale .

If locale is each part of the locale that should be modified is set according to the environment variables. The details are implementation dependent. For glibc, first