5 #define isdigit(C) iswdigit(C)
6 #define isalpha(C) iswalpha(C)
7 #define islower(C) iswlower(C)
8 #define isupper(C) iswupper(C)
9 #define isspace(C) iswspace(C)
10 #define isalnum(C) iswalnum(C)
11 #define iscntrl(C) iswcntrl(C)
12 #define isprint(C) iswprint(C)
13 #define ispunct(C) iswpunct(C)
14 #define isxdigit(C) iswxdigit(C)
15 #define isascii(C) iswascii(C)
16 #define isgraph(C) iswgraph(C)