kc3-lang/gnulib/doc/posix-functions/isprint.texi

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• Hash : b8c71610
  Author :
  Date : 2013-09-22T21:25:25
  

  ctype, string: depend on extern-inline
  
  This is needed to complete the recent OS X fixes.
  Also, fix related documentation as suggested by Eric Blake.
  * doc/posix-functions/isalnum.texi, doc/posix-functions/isalpha.texi:
  * doc/posix-functions/isascii.texi, doc/posix-functions/iscntrl.texi:
  * doc/posix-functions/isdigit.texi, doc/posix-functions/isgraph.texi:
  * doc/posix-functions/islower.texi, doc/posix-functions/isprint.texi:
  * doc/posix-functions/ispunct.texi, doc/posix-functions/isspace.texi:
  * doc/posix-functions/isupper.texi, doc/posix-functions/isxdigit.texi:
  * doc/posix-functions/toascii.texi, doc/posix-functions/tolower.texi:
  * doc/posix-functions/toupper.texi:
  List the 'ctype' gnulib module.
  * doc/posix-functions/strcat.texi, doc/posix-functions/strcpy.texi:
  * doc/posix-functions/strncpy.texi:
  List the 'string' gnulib module.
  * modules/memcpy, modules/memmove, modules/memset (Depends-on):
  Add string.
  * modules/ctype, modules/string (Depends-on): Add extern-inline.
  

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• doc/posix-functions/isprint.texi

• @node isprint
  @section @code{isprint}
  @findex isprint
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isprint.html}
  
  Gnulib module: ctype
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function cannot be called from plain inline or extern inline functions
  on some platforms:
  OS X 10.8.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @end itemize
  
  Note: This function's behaviour depends on the locale, but does not support
  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 four alternative APIs:
  
  @table @code
  @item c_isprint
  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 iswprint
  This function operates in a locale dependent way, on wide characters.  In
  order to use it, you first have to convert from multibyte to wide characters,
  using the @code{mbrtowc} function.  It is provided by the Gnulib module
  @samp{wctype}.
  
  @item mb_isprint
  This function operates in a locale dependent way, on multibyte characters.
  It is provided by the Gnulib module @samp{mbchar}.
  
  @item uc_is_print
  This function operates in a locale independent way, on Unicode characters.
  It is provided by the Gnulib module @samp{unictype/ctype-print}.
  @end table
  

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