digit
typedef unsigned short digit;
digit(char c)
#define digit(c) cmap(c, _DIG)
digit(int c)
#define digit(c) (((c) >= '0') && ((c) <= '9'))
digit(int c)
#define digit(c) ((c<QUOTE) && _ctype2[c]&(T_DIG))
digit(int x)
typedef unsigned short digit;
typedef ulong_t digit;