enum fp_pi_type { fp_pi_infinite = 0, fp_pi_66 = 1, fp_pi_53 = 2 }; struct _iobuf { int _cnt; unsigned char *_ptr; unsigned char *_base; int _bufsiz; short _flag; char _file; } ; enum fp_direction_type { fp_nearest = 0, fp_tozero = 1, fp_positive = 2, fp_negative = 3 }; enum fp_precision_type { fp_extended = 0, fp_single = 1, fp_double = 2, fp_precision_3 = 3 }; enum fp_class_type { fp_zero = 0, fp_subnormal = 1, fp_normal = 2, fp_infinity = 3, fp_quiet = 4, fp_signaling = 5 };