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nl_langinfo(3) Library Functions Manual nl_langinfo(3) NAME nl_langinfo - Returns language or cultural data defined in the current locale LIBRARY Standard C Library (libc.so, libc.a) SYNOPSIS #include <langinfo.h> char *nl_langinfo( nl_item item); STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: nl_langinfo(): XPG4 Refer to the standards(5) reference page for more information about in- dustry standards and associated tags. PARAMETERS Specifies a constant name or value. DESCRIPTION The nl_langinfo() function returns a pointer to a string containing in- formation relevant to the particular language or cultural area defined in the program's locale. The constant names and values that are valid for the item parameter are defined in the langinfo.h header file. EXAMPLES The following example returns a pointer to the abbreviated name of the first day of the week in the current locale: nl_langinfo(ABDAY_1) This function call would return a pointer to the string "Dom" if the identified language was Portuguese, "Sun" if the identified language was English, and so on. RETURN VALUES In a locale where langinfo data is not defined, the nl_langinfo() func- tion returns a pointer to the corresponding string in the POSIX (C) lo- cale. In all locales, the nl_langinfo() function returns a pointer to an empty string if the item parameter contains an invalid setting. RELATED INFORMATION Functions: localeconv(3), setlocale(3), strfmon(3) Others: i18n_intro(5), l10n_intro(5), standards(5) Writing Software for the International Market delim off nl_langinfo(3)