locale/locale.h

   1 /* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 /*
  20  *      ANSI Standard: 4.4 LOCALIZATION <locale.h>
  21  */
  22
  23 #ifndef _LOCALE_H
  24
  25 #define _LOCALE_H       1
  26 #include <features.h>
  27
  28 __BEGIN_DECLS
  29
  30 /* These are the possibilities for the first argument to setlocale.
  31    The code assumes that LC_ALL is the highest value, and zero the lowest.  */
  32 #define LC_CTYPE        0
  33 #define LC_NUMERIC      1
  34 #define LC_TIME         2
  35 #define LC_COLLATE      3
  36 #define LC_MONETARY     4
  37 #define LC_MESSAGES     5
  38 #define LC_ALL          6
  39
  40
  41 /* Structure giving information about numeric and monetary notation.  */
  42 struct lconv
  43 {
  44   /* Numeric (non-monetary) information.  */
  45
  46   char *decimal_point;          /* Decimal point character.  */
  47   char *thousands_sep;          /* Thousands separator.  */
  48   /* Each element is the number of digits in each group;
  49      elements with higher indices are farther left.
  50      An element with value CHAR_MAX means that no further grouping is done.
  51      An element with value 0 means that the previous element is used
  52      for all groups farther left.  */
  53   char *grouping;
  54
  55   /* Monetary information.  */
  56
  57   /* First three chars are a currency symbol from ISO 4217.
  58      Fourth char is the separator.  Fifth char is '\0'.  */
  59   char *int_curr_symbol;
  60   char *currency_symbol;        /* Local currency symbol.  */
  61   char *mon_decimal_point;      /* Decimal point character.  */
  62   char *mon_thousands_sep;      /* Thousands separator.  */
  63   char *mon_grouping;           /* Like `grouping' element (above).  */
  64   char *positive_sign;          /* Sign for positive values.  */
  65   char *negative_sign;          /* Sign for negative values.  */
  66   char int_frac_digits;         /* Int'l fractional digits.  */
  67   char frac_digits;             /* Local fractional digits.  */
  68   /* 1 if currency_symbol precedes a positive value, 0 if succeeds.  */
  69   char p_cs_precedes;
  70   /* 1 iff a space separates currency_symbol from a positive value.  */
  71   char p_sep_by_space;
  72   /* 1 if currency_symbol precedes a negative value, 0 if succeeds.  */
  73   char n_cs_precedes;
  74   /* 1 iff a space separates currency_symbol from a negative value.  */
  75   char n_sep_by_space;
  76   /* Positive and negative sign positions:
  77      0 Parentheses surround the quantity and currency_symbol.
  78      1 The sign string precedes the quantity and currency_symbol.
  79      2 The sign string succedes the quantity and currency_symbol.
  80      3 The sign string immediately precedes the currency_symbol.
  81      4 The sign string immediately succedes the currency_symbol.  */
  82   char p_sign_posn;
  83   char n_sign_posn;
  84 };
  85
  86
  87 /* Set and/or return the current locale.  */
  88 extern char *setlocale __P ((int __category, __const char *__locale));
  89
  90 /* Return the numeric/monetary information for the current locale.  */
  91 extern struct lconv *localeconv __P ((void));
  92
  93 __END_DECLS
  94
  95 #endif /* locale.h  */