1 b2cfc4e2 2003-09-30 devnull extern double __NaN(void); 2 b2cfc4e2 2003-09-30 devnull extern double __Inf(int); 3 b2cfc4e2 2003-09-30 devnull extern double __isNaN(double); 4 b2cfc4e2 2003-09-30 devnull extern double __isInf(double, int);