f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
150 lines
4.7 KiB
Groff
150 lines
4.7 KiB
Groff
.\" $NetBSD: nl_langinfo.3,v 1.20 2011/04/14 05:50:49 jruoho Exp $
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.\"
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.\" Written by J.T. Conklin <jtc@NetBSD.org>.
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.\" Public domain.
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.\"
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.Dd April 14, 2011
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.Dt NL_LANGINFO 3
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.Os
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.Sh NAME
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.Nm nl_langinfo
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.Nd get locale information
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In langinfo.h
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.Ft char *
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.Fn nl_langinfo "nl_item item"
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.Sh DESCRIPTION
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The
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.Fn nl_langinfo
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function returns a pointer to a string containing information
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set by the program's locale.
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.Pp
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The names and values of
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.Fa item
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are defined in
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.In langinfo.h .
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The entries under Category indicate in which
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.Xr setlocale 3
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category each item is defined.
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.Bl -column ERA_D_T_FMT LC_MESSAGES
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.It Sy Constant Ta Sy Category Ta Sy Meaning
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.It CODESET LC_CTYPE Codeset name
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.It D_T_FMT LC_TIME String for formatting date and time
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.It D_FMT LC_TIME Date format string
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.It T_FMT LC_TIME Time format string
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.It T_FMT_AMPM LC_TIME A.M. or P.M. time format string
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.It AM_STR LC_TIME Ante-meridiem affix
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.It PM_STR LC_TIME Post-meridiem affix
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.It DAY_1 LC_TIME Name of the first day of the week (e.g.: Sunday)
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.It DAY_2 LC_TIME Name of the second day of the week (e.g.: Monday)
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.It DAY_3 LC_TIME Name of the third day of the week (e.g.: Tuesday)
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.It DAY_4 LC_TIME Name of the fourth day of the week (e.g.: Wednesday)
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.It DAY_5 LC_TIME Name of the fifth day of the week (e.g.: Thursday)
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.It DAY_6 LC_TIME Name of the sixth day of the week (e.g.: Friday)
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.It DAY_7 LC_TIME Name of the seventh day of the week (e.g.: Saturday)
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.It ABDAY_1 LC_TIME Abbreviated name of the first day of the week
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.It ABDAY_2 LC_TIME Abbreviated name of the second day of the week
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.It ABDAY_3 LC_TIME Abbreviated name of the third day of the week
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.It ABDAY_4 LC_TIME Abbreviated name of the fourth day of the week
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.It ABDAY_5 LC_TIME Abbreviated name of the fifth day of the week
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.It ABDAY_6 LC_TIME Abbreviated name of the sixth day of the week
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.It ABDAY_7 LC_TIME Abbreviated name of the seventh day of the week
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.It MON_1 LC_TIME Name of the first month of the year
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.It MON_2 LC_TIME Name of the second month
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.It MON_3 LC_TIME Name of the third month
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.It MON_4 LC_TIME Name of the fourth month
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.It MON_5 LC_TIME Name of the fifth month
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.It MON_6 LC_TIME Name of the sixth month
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.It MON_7 LC_TIME Name of the seventh month
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.It MON_8 LC_TIME Name of the eighth month
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.It MON_9 LC_TIME Name of the ninth month
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.It MON_10 LC_TIME Name of the tenth month
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.It MON_11 LC_TIME Name of the eleventh month
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.It MON_12 LC_TIME Name of the twelfth month
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.It ABMON_1 LC_TIME Abbreviated name of the first month
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.It ABMON_2 LC_TIME Abbreviated name of the second month
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.It ABMON_3 LC_TIME Abbreviated name of the third month
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.It ABMON_4 LC_TIME Abbreviated name of the fourth month
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.It ABMON_5 LC_TIME Abbreviated name of the fifth month
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.It ABMON_6 LC_TIME Abbreviated name of the sixth month
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.It ABMON_7 LC_TIME Abbreviated name of the seventh month
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.It ABMON_8 LC_TIME Abbreviated name of the eighth month
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.It ABMON_9 LC_TIME Abbreviated name of the ninth month
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.It ABMON_10 LC_TIME Abbreviated name of the tenth month
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.It ABMON_11 LC_TIME Abbreviated name of the eleventh month
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.It ABMON_12 LC_TIME Abbreviated name of the twelfth month
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.It ERA LC_TIME Era description segments
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.It ERA_D_FMT LC_TIME Era date format string
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.It ERA_D_T_FMT LC_TIME Era date and time format string
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.It ERA_T_FMT LC_TIME Era time format string
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.It ALT_DIGITS LC_TIME Alternative symbols for digits
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.It RADIXCHAR LC_NUMERIC Radix character
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.It THOUSEP LC_NUMERIC Separator for thousands
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.It YESEXPR LC_MESSAGES Affirmative response expression
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.It NOEXPR LC_MESSAGES Negative response expression
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.\".It CRNCYSTR LC_MONETARY Local currency symbol
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.El
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.Sh RETURN VALUES
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.Fn nl_langinfo
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returns a pointer to an empty string if
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.Fa item
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is invalid.
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.Sh EXAMPLES
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The following example uses
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.Fn nl_langinfo
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to obtain the date and time format for the current locale:
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.Pp
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.Bd -literal -offset indent
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#include \*[Lt]time.h\*[Gt]
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#include \*[Lt]langinfo.h\*[Gt]
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#include \*[Lt]locale.h\*[Gt]
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int main(void)
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{
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char datestring[100];
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struct tm *tm;
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time_t t;
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char *ptr;
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t = time(NULL);
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tm = localtime(\*[Am]t);
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(void)setlocale(LC_ALL, "");
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ptr = nl_langinfo(D_T_FMT);
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strftime(datestring, sizeof(datestring), ptr, tm);
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printf("%s\en", datestring);
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return (0);
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}
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.Ed
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.\" .Pp
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.\" The following example uses
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.\" .Fn nl_langinfo
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.\" to obtain the setting of the currency symbol for the current locale:
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.\" .Pp
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.\" .Bd
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.\" #include \*[Lt]langinfo.h\*[Gt]
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.\" #include \*[Lt]locale.h\*[Gt]
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.\" int main(void)
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.\" {
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.\" char *ptr;
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.\" (void)setlocale(LC_ALL, "");
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.\" ptr = nl_langinfo(CRNCYSTR);
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.\" printf("%s", ptr);
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.\" }
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.\" .Ed
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.Sh SEE ALSO
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.Xr setlocale 3 ,
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.Xr tm 3 ,
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.Xr nls 7
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.Sh STANDARDS
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The
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.Fn nl_langinfo
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function conforms to
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.St -p1003.1-2001 .
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.Sh HISTORY
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The
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.Fn nl_langinfo
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function appeared in
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.Nx 1.0 .
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