10 #define Ise(c) ((c == 'e') || (c == 'E') || (c == 'd') || (c == 'D'))
11 #define Isdigit(c) ((c <= '9') && (c >= '0'))
12 #define Isspace(c) ((c == ' ') || (c == '\t') || (c=='\n') || (c=='\v') \
13 || (c == '\r') || (c == '\f'))
14 #define Issign(c) ((c == '-') || (c == '+'))
15 #define Val(c) ((c - '0'))
25 int __ten_mul(double *acc
, int digit
);
26 double __adjust(struct _reent
*ptr
, double *acc
, int dexp
, int sign
);
27 double __exp10(unsigned x
);