nxt	wctype

run{
cat <<!
	#if _hdr_wctype && defined(_nxt_wctype)
	#include ${_nxt_wctype-_nxt_wctype}	/* the native wctype.h */
	#endif

	#undef	iswalpha

	#define iswalpha(w)	(ast.mb_alpha?(*ast.mb_alpha)(w):isalpha(w))
!
}end
