C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
setlocale
 Description                               Up Contents Index Back
─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <locale.h>
 
  Syntax:    char *setlocale( int category, char *locale );
             category: LC_ALL, LC_COLLATE, LC_CTYPE, LC_MONETARY,
                       LC_NUMERIC, LC_TIME
             locale: "C"
 
  Returns:   a pointer to the string associated with the specified
             category, or NULL if <locale> or <category> is invalid.
 
  See also:  localeconv, strcoll, strxfrm, strftime
                                    -♦-