iswgraph(3) Library Functions Manual iswgraph(3) 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 is- graph(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-charac- ter 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 there- fore contains the wide-character classes "alnum" and "punct". RETURN VALUE The iswgraph() function returns nonzero if wc is a wide character be- longing to the wide-character class "graph". Otherwise, it returns zero. ATTRIBUTES For an explanation of the terms used in this section, see at- tributes(7). ┌─────────────────────────────────────┬───────────────┬────────────────┐ │Interface │ Attribute │ Value │ ├─────────────────────────────────────┼───────────────┼────────────────┤ │iswgraph() │ Thread safety │ MT-Safe locale │ └─────────────────────────────────────┴───────────────┴────────────────┘ STANDARDS POSIX.1-2001, POSIX.1-2008, C99. NOTES The behavior of iswgraph() depends on the LC_CTYPE category of the cur- rent locale. SEE ALSO isgraph(3), iswctype(3) Linux man-pages 6.03 2022-12-15 iswgraph(3)
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