iswctype(3) Library Functions Manual iswctype(3)
NAME
iswctype - wide-character classification
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <wctype.h>
int iswctype(wint_t wc, wctype_t desc);
DESCRIPTION
If wc is a wide character having the character property designated by
desc (or in other words: belongs to the character class designated by
desc), then the iswctype() function returns nonzero. Otherwise, it re-
turns zero. If wc is WEOF, zero is returned.
desc must be a character property descriptor returned by the wctype(3)
function.
RETURN VALUE
The iswctype() function returns nonzero if the wc has the designated
property. Otherwise, it returns 0.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
┌────────────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├────────────────────────────────────────────┼───────────────┼─────────┤
│iswctype() │ Thread safety │ MT-Safe │
└────────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
POSIX.1-2001, POSIX.1-2008, C99.
NOTES
The behavior of iswctype() depends on the LC_CTYPE category of the cur-
rent locale.
SEE ALSO
iswalnum(3), iswalpha(3), iswblank(3), iswcntrl(3), iswdigit(3), isw-
graph(3), iswlower(3), iswprint(3), iswpunct(3), iswspace(3), iswup-
per(3), iswxdigit(3), wctype(3)
Linux man-pages 6.03 2022-12-15 iswctype(3)
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