iswspace()

Test for a whitespace wide character

Synopsis:

#include <wctype.h>

int iswspace( wint_t wc );

Library:

libc

Description:

The iswspace() function tests if the argument wc is a whitespace wide character of the class space. In the C locale, it includes the space character, \f form feed, \n newline or linefeed, \r carriage return, \t horizontal tab, \v vertical tab.

Returns:

=/= 0: The character is a member of the class space.
0: Everything else.

Classification:

Safety:
Cancellation point	No
Interrupt handler	Yes
Signal handler	Yes
Thread	Yes

Caveats:

The result is valid only for char arguments and WEOF.

See also:

"Character manipulation functions" and "Wide-character functions" in the summary of functions chapter.