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#include <wchar.h>
#include <wctype.h>
#include <ctype.h>

/* Our definition of whitespace is the Unicode White_Space property,
 * minus non-breaking spaces (U+00A0, U+2007, and U+202F) and script-
 * specific characters with non-blank glyphs (U+1680 and U+180E). */

int iswspace(wint_t wc)
{
	static const wchar_t spaces[] = {
		' ', '\t', '\n', '\r', 11, 12,  0x0085,
		0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005,
		0x2006, 0x2008, 0x2009, 0x200a,
		0x2028, 0x2029, 0x205f, 0x3000, 0
	};
	return wc && wcschr(spaces, wc);
}