ULONG64 GetRealTime() { if (g_first) { g_first = FALSE; ULONG64 fir, sec; fir = AsmRdtsc(); Sleep(50); sec = AsmRdtsc(); g_per = (sec - fir) / 50;

char *ecvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf); char *fcvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);

given a float value, returns the significant bits in bits, and the position of the decimal point in decimal_pos. +/-INF and NAN are specified by spec