fusl/include/locale.h

#ifndef _LOCALE_H
#define _LOCALE_H

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>

#ifdef __cplusplus
#define NULL 0L
#else
#define NULL ((void*)0)
#endif

#define LC_CTYPE 0
#define LC_NUMERIC 1
#define LC_TIME 2
#define LC_COLLATE 3
#define LC_MONETARY 4
#define LC_MESSAGES 5
#define LC_ALL 6

struct lconv {
  char* decimal_point;
  char* thousands_sep;
  char* grouping;

  char* int_curr_symbol;
  char* currency_symbol;
  char* mon_decimal_point;
  char* mon_thousands_sep;
  char* mon_grouping;
  char* positive_sign;
  char* negative_sign;
  char int_frac_digits;
  char frac_digits;
  char p_cs_precedes;
  char p_sep_by_space;
  char n_cs_precedes;
  char n_sep_by_space;
  char p_sign_posn;
  char n_sign_posn;
  char int_p_cs_precedes;
  char int_p_sep_by_space;
  char int_n_cs_precedes;
  char int_n_sep_by_space;
  char int_p_sign_posn;
  char int_n_sign_posn;
};

char* setlocale(int, const char*);
struct lconv* localeconv(void);

#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \
    defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)

#define __NEED_locale_t

#include <bits/alltypes.h>

#define LC_GLOBAL_LOCALE ((locale_t)-1)

#define LC_CTYPE_MASK (1 << LC_CTYPE)
#define LC_NUMERIC_MASK (1 << LC_NUMERIC)
#define LC_TIME_MASK (1 << LC_TIME)
#define LC_COLLATE_MASK (1 << LC_COLLATE)
#define LC_MONETARY_MASK (1 << LC_MONETARY)
#define LC_MESSAGES_MASK (1 << LC_MESSAGES)
#define LC_ALL_MASK 0x7fffffff

locale_t duplocale(locale_t);
void freelocale(locale_t);
locale_t newlocale(int, const char*, locale_t);
locale_t uselocale(locale_t);

#endif

#ifdef __cplusplus
}
#endif

#endif