• NAME
  
  nl_langinfo - query language and locale information
• SYNOPSIS
  

  
   #include <langinfo.h>
  
   char *nl_langinfo(nl_item  item );
  

• DESCRIPTION
  
  The
  nl_langinfo ()
  function provides access to locale information
  in a more flexible way than
  localeconv(3)
  does.
  Individual and additional elements of the locale categories can
  be queried.
  
  
  
  Examples for the locale elements that can be specified in item
  using the constants defined in <langinfo.h> are:
  

  CODESET (LC_CTYPE)
  

  Return a string with the name of the character encoding used in the
  selected locale, such as "UTF-8", "ISO-8859-1", or "ANSI_X3.4-1968"
  (better known as US-ASCII).
  This is the same string that you get with
  "locale charmap".
  For a list of character encoding names,
  try "locale -m", cf.
  locale(1) .
  

  D_T_FMT (LC_TIME)
  

  Return a string that can be used as a format string for
  strftime(3)
  to represent time and date in a locale-specific way.
  

  D_FMT (LC_TIME)
  

  Return a string that can be used as a format string for
  strftime(3)
  to represent a date in a locale-specific way.
  

  T_FMT (LC_TIME)
  

  Return a string that can be used as a format string for
  strftime(3)
  to represent a time in a locale-specific way.
  

  DAY_ "{1(en7} (LC_TIME)"
  

  Return name of the n-th day of the week. [Warning: this follows
  the US convention DAY_1 = Sunday, not the international convention
  (ISO 8601) that Monday is the first day of the week.]
  

  ABDAY_ "{1(en7} (LC_TIME)"
  

  Return abbreviated name of the n-th day of the week.
  

  MON_ "{1(en12} (LC_TIME)"
  

  Return name of the n-th month.
  

  ABMON_ "{1(en12} (LC_TIME)"
  

  Return abbreviated name of the n-th month.
  

  RADIXCHAR (LC_NUMERIC)
  

  Return radix character (decimal dot, decimal comma, etc.).
  

  THOUSEP (LC_NUMERIC)
  

  Return separator character for thousands (groups of three digits).
  

  YESEXPR (LC_MESSAGES)
  

  Return a regular expression that can be used with the
  regex(3)
  function to recognize a positive response to a yes/no question.
  

  NOEXPR (LC_MESSAGES)
  

  Return a regular expression that can be used with the
  regex(3)
  function to recognize a negative response to a yes/no question.
  

  CRNCYSTR (LC_MONETARY)
  

  Return the 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.
  
  
  
  The above list covers just some examples of items that can be requested.
  For a more detailed list, consult
  "The GNU C Library Reference Manual" .
  

• RETURN VALUE
  
  If no locale has been selected for the appropriate category,
  nl_langinfo ()
  returns a pointer to the corresponding string in the
  "C" locale.
  
  
  
  If item is not valid, a pointer to an empty string is returned.
  
  
  
  This pointer may point to static data that may be overwritten on the
  next call to
  nl_langinfo ()
  or
  setlocale(3) .
  
• CONFORMING TO
  
  SUSv2, POSIX.1-2001.
  
• SEE ALSO
  
  locale(1) ,
  localeconv(3) ,
  setlocale(3) ,
  charsets(7) ,
  locale(7)
  
  
  The GNU C Library Reference Manual
  
• COLOPHON
  
  This page is part of release 3.19 of the Linux
  man-pages
  project.
  A description of the project,
  and information about reporting bugs,
  can be found at
  http://www.kernel.org/doc/man-pages/.
  

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