FLOATS_32_BIT = 1 F_4byteFloat = 2 F_8byteFloat = 6 F_10byteFloat = 8 MaxSigDigits = 18 __LTOAMAX__ = 32 __XCVTDIG__ = 40 __XCVTMAX__ = 47 __CVTMAX__ = 48 NAN_number = 32766 INF_number = 32767