cutext/wctype.h: Unicode Character Types
[cutext: Unicode and Text Handling]

Functions
cu_bool_t	cutext_iswalnum (cu_wint_t wc)
cu_bool_t	cutext_iswalpha (cu_wint_t wc)
cu_bool_t	cutext_iswblank (cu_wint_t wc)
cu_bool_t	cutext_iswcntrl (cu_wint_t wc)
cu_bool_t	cutext_iswdigit (cu_wint_t wc)
cu_bool_t	cutext_iswgraph (cu_wint_t wc)
cu_bool_t	cutext_iswlower (cu_wint_t wc)
cu_bool_t	cutext_iswprint (cu_wint_t wc)
cu_bool_t	cutext_iswpunct (cu_wint_t wc)
cu_bool_t	cutext_iswspace (cu_wint_t wc)
cu_bool_t	cutext_iswupper (cu_wint_t wc)
cu_bool_t	cutext_iswxdigit (cu_wint_t wc)

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Detailed Description

Note:

These character types are derived from the Unicode general categories, and thus only an approximation to the locale-specific C99 classification.

The mapping of these functions for non-ASCII characters are subject to revision.