*Conan The Librarian
Indicates if a wide character is classed as a punctuation
character in the program's current locale.
#include <wctype.h> (ISO C)
#include <wchar.h> (XPG4)
int iswpunct (wint_t wc);
An object of type wint_t. The value of wc must be representable
as a wchar_t in the current locale, or must equal the value
of the macro WEOF. If it has any other value, the behavior is
nonzero If a punctuation character.
0 If not a punctuation character.