48 def _ctoi(c):  argument
54 def isalnum(c): return isalpha(c) or isdigit(c)  argument
55 def isalpha(c): return isupper(c) or islower(c)  argument
56 def isascii(c): return _ctoi(c) <= 127          # ?  argument
57 def isblank(c): return _ctoi(c) in (9, 32)  argument
58 def iscntrl(c): return _ctoi(c) <= 31 or _ctoi(c) == 127  argument
59 def isdigit(c): return _ctoi(c) >= 48 and _ctoi(c) <= 57  argument
60 def isgraph(c): return _ctoi(c) >= 33 and _ctoi(c) <= 126  argument
61 def islower(c): return _ctoi(c) >= 97 and _ctoi(c) <= 122  argument
62 def isprint(c): return _ctoi(c) >= 32 and _ctoi(c) <= 126  argument
63 def ispunct(c): return isgraph(c) and not isalnum(c)  argument
64 def isspace(c): return _ctoi(c) in (9, 10, 11, 12, 13, 32)  argument
65 def isupper(c): return _ctoi(c) >= 65 and _ctoi(c) <= 90  argument
66 def isxdigit(c): return isdigit(c) or \  argument
68 def isctrl(c): return _ctoi(c) < 32  argument
69 def ismeta(c): return _ctoi(c) > 127  argument
71 def ascii(c):  argument
77 def ctrl(c):  argument
83 def alt(c):  argument
89 def unctrl(c):  argument