NAME

langinfo.h - language information constants

SYNOPSIS

#include <langinfo.h>

DESCRIPTION

The <langinfo.h> header contains the constants used to identify items of langinfo data (see nl_langinfo()). The type of the constant, nl_item, shall be defined as described in <nl_types.h> .

The following constants shall be defined. The entries under Category indicate in which setlocale() category each item is defined.

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PM_STR

Post-meridiem affix.

Name of the fourth day of the week

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(for example, Wednesday).

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DAY_5

Name of the fifth day of the week (for example, Thursday).

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DAY_6

Name of the sixth day of the week (for example, Friday).

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DAY_7

Name of the seventh day of the week

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(for example, Saturday).

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ABDAY_1

Abbreviated name of the first day of the week.

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ABDAY_2

Abbreviated name of the second day of the week.

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ABDAY_3

Abbreviated name of the third day of the week.

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ABDAY_4

Abbreviated name of the fourth day of the week.

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ABDAY_5

Abbreviated name of the fifth day of the week.

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ABDAY_6

Abbreviated name of the sixth day of the week.

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ABDAY_7

Abbreviated name of the seventh day of the week.

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MON_1

Name of the first month of the year.

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MON_2

Name of the second month.

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MON_3

Name of the third month.

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MON_4

Name of the fourth month.

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MON_5

Name of the fifth month.

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MON_6

Name of the sixth month.

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MON_7

Name of the seventh month.

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MON_8

Name of the eighth month.

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MON_9

Name of the ninth month.

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MON_10

Name of the tenth month.

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MON_11

Name of the eleventh month.

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MON_12

Name of the twelfth month.

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ABMON_1

Abbreviated name of the first month.

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ABMON_2

Abbreviated name of the second month.

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ABMON_3

Abbreviated name of the third month.

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ABMON_4

Abbreviated name of the fourth month.

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ABMON_5

Abbreviated name of the fifth month.

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ABMON_6

Abbreviated name of the sixth month.

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ABMON_7

Abbreviated name of the seventh month.

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ABMON_8

Abbreviated name of the eighth month.

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ABMON_9

Abbreviated name of the ninth month.

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ABMON_10

Abbreviated name of the tenth month.

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ABMON_11

Abbreviated name of the eleventh month.

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ABMON_12

Abbreviated name of the twelfth month.

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ERA

Era description segments.

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ERA_D_FMT

Era date format string.

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ERA_D_T_FMT

Era date and time format string.

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ERA_T_FMT

Era time format string.

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ALT_DIGITS

Alternative symbols for digits.

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RADIXCHAR

Radix character.

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THOUSEP

Separator for thousands.

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YESEXPR

Affirmative response expression.

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NOEXPR

Negative response expression.

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CRNCYSTR

Local currency symbol, preceded by '-' if the symbol should appear before the value, '+' if the symbol should appear after the value, or '.' if the symbol should replace the radix character. If the local currency symbol is the empty string, implementations may return the empty string ( "" ).

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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 following shall be declared as a function and may also be defined as a macro. A function prototype shall be provided.

Inclusion of the <langinfo.h> header may also make visible all symbols from <nl_types.h>.

The following sections are informative.

APPLICATION USAGE

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() function should be used to access date and time information defined in category LC_TIME. The localeconv() function should be used to access information corresponding to RADIXCHAR, THOUSEP, and CRNCYSTR.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

The System Interfaces volume of IEEE Std 1003.1-2001, nl_langinfo(), localeconv(), strfmon(), strftime(), Locale

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .