25 Localization library [localization]

25.5 C library locales [c.locales]

25.5.1 Header <clocale> synopsis [clocale.syn]

namespace std {
  struct lconv;

  char* setlocale(int category, const char* locale);
  lconv* localeconv();
}

#define NULL see [support.types.nullptr]
#define LC_ALL see below
#define LC_COLLATE see below
#define LC_CTYPE see below
#define LC_MONETARY see below
#define LC_NUMERIC see below
#define LC_TIME see below