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#ifndef _WCTYPE_H #include <wctype/wctype.h> /* Internal interfaces. */ extern int __iswspace (wint_t __wc); extern int __iswctype (wint_t __wc, wctype_t __desc); extern wctype_t __wctype (__const char *__property); extern wint_t __towctrans (wint_t __wc, wctrans_t __desc); #endif