iswpunct
Header: <wctype.h>
Checks if the given wide character is a punctuation character, i.e. it is one of !"#$%&’()*+,-./:;<=>?@[]^_`{|}~ or any punctuation character specific to the current locale.
# Declarations
int iswpunct( wint_t ch );
(since C95)
# Parameters
ch: wide character
# Return value
Non-zero value if the wide character is a punctuation character, zero otherwise.
# Notes
ISO 30112 specifies which Unicode characters are include in POSIX punct category.
# Example
#include <stdio.h>
#include <wchar.h>
#include <wctype.h>
#include <locale.h>
int main(void)
{
const wchar_t c = L'\u2051'; // Two asterisks ('⁑')
printf("in the default locale, iswpunct(%#x) = %d\n", c, !!iswpunct(c));
setlocale(LC_ALL, "en_US.utf8");
printf("in Unicode locale, iswpunct(%#x) = %d\n", c, !!iswpunct(c));
}