kc3-lang/gnulib/doc/pastposix-functions/isascii.texi

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  Date : 2024-10-27T17:01:29
  

  doc: Add a module index.
  
  * doc/Makefile (undocumented-modules.texi): New rule.
  (%.info, %.html, %.dvi, %.pdf): Depend on undocumented-modules.texi.
  (mostlyclean): Remove also *.m and *.tmp.
  (force): New rule.
  * doc/*.texi: Add module index entries.
  * doc/*/*.texi: Likewise.
  

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• doc/pastposix-functions/isascii.texi

• @node isascii
  @section @code{isascii}
  @findex isascii
  
  Removed in POSIX.1-2024.
  POSIX.1-2017 specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/isascii.html}
  
  Gnulib module: ctype
  @mindex ctype
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function cannot be called from plain inline or extern inline functions
  on some platforms:
  macOS 10.8.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  This function is removed in POSIX.1-2024.
  @end itemize
  
  Note: This function's behaviour depends on the locale, but requires special
  handling for the multibyte characters that occur in strings in locales with
  @code{MB_CUR_MAX > 1} (this includes all the common UTF-8 locales).
  There are two alternative APIs:
  
  @table @code
  @item c_isascii
  @mindex c-ctype
  This function operates in a locale independent way and returns true only for
  ASCII characters.  It is provided by the Gnulib module @samp{c-ctype}.
  
  @item mb_isascii
  @mindex mbchar
  This function operates in a locale dependent way, on multibyte characters.
  It is provided by the Gnulib module @samp{mbchar}.
  @end table
  

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