NAME
iswspace - test for whitespace wide character
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <wctype.h>int iswspace(wint_t \nwc\n);DESCRIPTION
The iswspace() function is the wide-character equivalent of the isspace(3) function. It tests whether wc is a wide character 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-character class "blank".
The wide-character class "space" always contains at least the space character and the control characters '\f', '\n', '\r', '\t', and '\v'.
RETURN VALUE
The iswspace() function returns nonzero if wc is a wide character belonging to the wide-character class "space". Otherwise, it returns zero.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| iswspace () | Thread safety | MT-Safe locale |
STANDARDS
C11, POSIX.1-2008.
HISTORY
POSIX.1-2001, C99.
NOTES
The behavior of iswspace() depends on the LC_CTYPE category of the current locale.
SEE ALSO
isspace(3), iswctype(3)