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 returns 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 prop-
     erty.  Otherwise, it returns 0.

ATTRIBUTES
     For an explanation of the terms used in this  section,  see  attributes(7).
     allbox; lbx lb lb l l l.  Interface Attribute Value T{ iswctype()
     T}	  Thread safety	  MT-Safe

STANDARDS
     C11, POSIX.1-2008.

HISTORY
     POSIX.1-2001, C99.

NOTES
     The  behavior of iswctype() depends on the LC_CTYPE category of the current
     locale.

SEE ALSO
     iswalnum(3),  iswalpha(3),	 iswblank(3),  iswcntrl(3),  iswdigit(3),   isw-
     graph(3),	iswlower(3), iswprint(3), iswpunct(3), iswspace(3), iswupper(3),
     iswxdigit(3), wctype(3)

Linux man-pages 6.18		   2026-02-08			     iswctype(3)