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iswpunct - test for punctuation wide character

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Syntax

#include <wchar.h>

int iswpunct(wint_t wc);

Description iswpunct() tests whether wc is a punctuation wide character, i.e. not a control,

alphanumeric or white-space wide character (see iswspace).

In all cases, wc is an argument of type wint_t, the value of which must be a wide character
code corresponding to a valid character in the current locale or must equal the value of the
macro WEOF. If the argument wc has any other value, the behavior is undefined.

Return val.

!= 0

0

Punctuation wide character

Not a punctuation wide character

Notes

iswpunct() is implemented both as a function and as a macro. To generate a function call,
the definition of the macro name must be first undefined (#undef iswpunct).

The behavior of iswpunc() is determined by the class punct of the current locale. The
current locale is the C locale, unless it was explicitly changed using setlocale().

Restriction
This version of the C runtime system only supports 1-byte characters as wide character
codes. They are of type wchar_t (see stddef.h). (End)

See also

iswalnum(), iswalpha(), iswcntrl(), iswdigit(), iswgraph(), iswlower(),
iswprint(), iswspace(), iswupper(), iswxdigit(), setlocale(), wchar.h.