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+/* nl_langinfo -- Access to locale-dependent parameters.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#ifndef _LANGINFO_H
+#define _LANGINFO_H 1
+
+#include <locale.h> /* Define the LC_* category names. */
+
+__BEGIN_DECLS
+
+/* Construct an `nl_item' value for `nl_langinfo' from a locale category
+ (LC_*) and an item index within the category. Some code may depend on
+ the item values within a category increasing monotonically with the
+ indices. */
+#define _NL_ITEM(category, index) (((category) << 16) | (index))
+
+/* Extract the category and item index from a constructed `nl_item' value. */
+#define _NL_ITEM_CATEGORY(item) ((int) (item) >> 16)
+#define _NL_ITEM_INDEX(item) ((int) (item) & 0xffff)
+
+
+/* Enumeration of locale items that can be queried with `nl_langinfo'. */
+typedef enum
+{
+ /* LC_TIME category: date and time formatting. */
+
+ /* Abbreviated days of the week. */
+ ABDAY_1 = _NL_ITEM (LC_TIME, 0), /* Sun */
+ ABDAY_2,
+ ABDAY_3,
+ ABDAY_4,
+ ABDAY_5,
+ ABDAY_6,
+ ABDAY_7,
+
+ /* Long-named days of the week. */
+ DAY_1, /* Sunday */
+ DAY_2, /* Monday */
+ DAY_3, /* Tuesday */
+ DAY_4, /* Wednesday */
+ DAY_5, /* Thursday */
+ DAY_6, /* Friday */
+ DAY_7, /* Saturday */
+
+ /* Abbreviated month names. */
+ ABMON_1, /* Jan */
+ ABMON_2,
+ ABMON_3,
+ ABMON_4,
+ ABMON_5,
+ ABMON_6,
+ ABMON_7,
+ ABMON_8,
+ ABMON_9,
+ ABMON_10,
+ ABMON_11,
+ ABMON_12,
+
+ /* Long month names. */
+ MON_1, /* January */
+ MON_2,
+ MON_3,
+ MON_4,
+ MON_5,
+ MON_6,
+ MON_7,
+ MON_8,
+ MON_9,
+ MON_10,
+ MON_11,
+ MON_12,
+
+ AM_STR, /* Ante meridian string. */
+ PM_STR, /* Post meridian string. */
+
+ D_T_FMT, /* Date and time format for strftime. */
+ D_FMT, /* Date format for strftime. */
+ T_FMT, /* Time format for strftime. */
+ T_FMT_AMPM, /* 12-hour time format for strftime. */
+
+ ERA, /* Alternate era. */
+ ERA_YEAR, /* Year in alternate era format. */
+ ERA_D_FMT, /* Date in alternate ear format. */
+ ALT_DIGITS, /* Alternate symbols for digits. */
+
+ _NL_NUM_LC_TIME, /* Number of indices in LC_TIME category. */
+
+ /* LC_CTYPE category: character classification.
+ This information is accessed by the functions in <ctype.h>.
+ These `nl_langinfo' names are used internally. */
+ _NL_CTYPE_CLASS_EB = _NL_ITEM (LC_CTYPE, 0),
+ _NL_CTYPE_TOUPPER_EB,
+ _NL_CTYPE_TOLOWER_EB,
+ _NL_CTYPE_CLASS_EL,
+ _NL_CTYPE_TOUPPER_EL,
+ _NL_CTYPE_TOLOWER_EL,
+ _NL_NUM_LC_CTYPE,
+
+ /* LC_MONETARY category: formatting of monetary quantities.
+ These items each correspond to a member of `struct lconv',
+ defined in <locale.h>. */
+ INT_CURR_SYMBOL = _NL_ITEM (LC_MONETARY, 0),
+ CURRENCY_SYMBOL,
+ MON_DECIMAL_POINT,
+ MON_THOUSANDS_SEP,
+ MON_GROUPING,
+ POSITIVE_SIGN,
+ NEGATIVE_SIGN,
+ INT_FRAC_DIGITS,
+ FRAC_DIGITS,
+ P_CS_PRECEDES,
+ P_SEP_BY_SPACE,
+ N_CS_PRECEDES,
+ N_SEP_BY_SPACE,
+ P_SIGN_POSN,
+ N_SIGN_POSN,
+ _NL_NUM_LC_MONETARY,
+
+ /* LC_NUMERIC category: formatting of numbers.
+ These also correspond to members of `struct lconv'; see <locale.h>. */
+ DECIMAL_POINT = _NL_ITEM (LC_NUMERIC, 0),
+ THOUSANDS_SEP,
+ GROUPING,
+ _NL_NUM_LC_NUMERIC,
+
+ YESEXPR = _NL_ITEM (LC_MESSAGES, 0), /* Regex matching ``yes'' input. */
+ NOEXPR, /* Regex matching ``no'' input. */
+ YESSTR, /* Output string for ``yes''. */
+ NOSTR, /* Output string for ``no''. */
+ _NL_NUM_LC_MESSAGES,
+
+ /* Stubs for unfinished categories. */
+ _NL_NUM_LC_COLLATE = 0,
+
+} nl_item;
+
+
+/* Return the current locale's value for ITEM.
+ If ITEM is invalid, an empty string is returned.
+
+ The string returned will not change until `setlocale' is called;
+ it is usually in read-only memory and cannot be modified. */
+
+extern char *nl_langinfo __P ((nl_item item));
+
+
+__END_DECLS
+
+#endif /* langinfo.h */