noble (3) iswgraph.3.gz

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NAME
       iswgraph - test for graphic wide character


LIBRARY
       Standard C library (libc, -lc)


SYNOPSIS
       #include <wctype.h>

       int iswgraph(wint_t wc);


DESCRIPTION
       The iswgraph() function is the wide-character equivalent of the isgraph(3) function.  It tests whether wc
       is a wide character belonging to the wide-character class "graph".

       The wide-character class "graph" is a subclass of the wide-character class "print".

       Being a subclass of the wide-character class "print", the wide-character class "graph" is  disjoint  from
       the wide-character class "cntrl".

       The  wide-character  class  "graph"  is disjoint from the wide-character class "space" and therefore also
       disjoint from its subclass "blank".

       The wide-character class "graph" contains all the wide characters from the wide-character  class  "print"
       except the space character.  It therefore contains the wide-character classes "alnum" and "punct".


RETURN VALUE
       The  iswgraph()  function returns nonzero if wc is a wide character belonging to the wide-character class
       "graph".  Otherwise, it returns zero.


ATTRIBUTES
       For an explanation of the terms used in this section, see attributes(7).

       ┌───────────────────────────────────────────────────────────────────────┬───────────────┬────────────────┐
       │Interface                                                              │ Attribute     │ Value          │
       ├───────────────────────────────────────────────────────────────────────┼───────────────┼────────────────┤
       │iswgraph()                                                             │ Thread safety │ MT-Safe locale │
       └───────────────────────────────────────────────────────────────────────┴───────────────┴────────────────┘

STANDARDS
       C11, POSIX.1-2008.


HISTORY
       POSIX.1-2001, C99.


NOTES
       The behavior of iswgraph() depends on the LC_CTYPE category of the current locale.


SEE ALSO
       isgraph(3), iswctype(3)