iswspace - test for whitespace wide character
SYNOPSIS
#include <wctype.h>
int iswspace (wint_t wc);
DESCRIPTION
The iswspace function is the wide-character equivalent of
the isspace function. It tests whether wc is a wide char
acter belonging to the wide character class "space".
The wide character class "space" is disjoint from the wide
character class "graph" and therefore also disjoint from
its subclasses "alnum", "alpha", "upper", "lower",
"digit", "xdigit", "punct".
The wide character class "space" contains the wide charac
ter class "blank".
The wide character class "space" always contains at least
the space character and the control characters '\f', '\n',
'\r', '\t', '\v'.
RETURN VALUE
The iswspace function returns non-zero if wc is a wide
character belonging to the wide character class "space".
Otherwise it returns zero.
CONFORMING TO
ISO/ANSI C, UNIX98
SEE ALSO
isspace(3), iswctype(3)
NOTES
The behaviour of iswspace depends on the LC_CTYPE category
of the current locale.
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