langinfo.h, langinfo - language information constants
#include <langinfo.h>
The <langinfo.h> header contains the constants used to identify items of langinfo data (see nl_langinfo(3C)). The type of the constant, nl_item, is defined as described in <nl_types.h>.
The following constants are defined. The entries under Category indicate in which setlocale(3C) category each item is defined.
Constant | Category | Meaning |
CODESET | LC_CTYPE | codeset name |
D_T_FMT | ||
D_FMT | ||
T_FMT | ||
T_FMT_AMPM | ||
AM_STR | ||
PM_STR | ||
DAY_1 | ||
DAY_2 | ||
DAY_3 | ||
DAY_4 | ||
DAY_5 | ||
DAY_6 | ||
DAY_7 | ||
ABDAY_1 | ||
ABDAY_2 | ||
ABDAY_3 | ||
ABDAY_4 | ||
ABDAY_5 | ||
ABDAY_6 | ||
ABDAY_7 | ||
MON_1 | ||
MON_2 | ||
MON_3 | ||
MON_4 | ||
MON_5 | ||
MON_6 | ||
MON_7 | ||
MON_8 | ||
MON_9 | ||
MON_10 | ||
MON_11 | ||
MON_12 | ||
ABMON_1 | ||
ABMON_2 | ||
ABMON_3 | ||
ABMON_4 | ||
ABMON_5 | ||
ABMON_6 | ||
ABMON_7 | ||
ABMON_8 | ||
ABMON_9 | ||
ABMON_10 | ||
ABMON_11 | ||
ABMON_12 | ||
ERA | ||
ERA_D_FMT | ||
ERA_D_T_FMT | ||
ERA_T_FMT | ||
ALT_DIGITS | ||
RADIXCHAR | ||
THOUSEP | ||
YESEXPR | ||
NOEXPR | ||
YESSTR | ||
NOSTR | ||
CRNCYSTR |
If the locale's values for p_cs_precedes and n_cs_precedes do not match, the value of nl_langinfo(CRNCYSTR) is unspecified.
The <langinfo.h> header declares the following as a function:
char *nl_langinfo(nl_item);
Inclusion of <langinfo.h> header may also make visible all symbols from <nl_types.h>.
Wherever possible, users are advised to use functions compatible with those in the ISO C standard to access items of langinfo data. In particular, the strftime(3C) function should be used to access date and time information defined in category LC_TIME. The localeconv(3C) function should be used to access information corresponding to RADIXCHAR, THOUSEP, and CRNCYSTR.
See attributes(5) for descriptions of the following attributes:
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mkmsgs(1), localeconv(3C), nl_langinfo(3C), nl_types.h(3HEAD), setlocale(3C), strftime(3C), attributes(5), standards(5)
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