2 @section @code{isgraph}
5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isgraph.html}
9 Portability problems fixed by Gnulib:
12 This function cannot be called from plain inline or extern inline functions
17 Portability problems not fixed by Gnulib:
21 Note: This function's behaviour depends on the locale, but does not support
22 the multibyte characters that occur in strings in locales with
23 @code{MB_CUR_MAX > 1} (this includes all the common UTF-8 locales).
24 There are four alternative APIs:
28 This function operates in a locale independent way and returns true only for
29 ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
32 This function operates in a locale dependent way, on wide characters. In
33 order to use it, you first have to convert from multibyte to wide characters,
34 using the @code{mbrtowc} function. It is provided by the Gnulib module
38 This function operates in a locale dependent way, on multibyte characters.
39 It is provided by the Gnulib module @samp{mbchar}.
42 This function operates in a locale independent way, on Unicode characters.
43 It is provided by the Gnulib module @samp{unictype/ctype-graph}.