reactos/sdk/lib/crt/include/internal/ieee.h

#ifndef __CRT_INTERNAL_IEEE_H
#define __CRT_INTERNAL_IEEE_H

typedef struct {
    unsigned int mantissa:23;
    unsigned int exponent:8;
    unsigned int sign:1;
} float_s;

typedef struct {
    unsigned int mantissal:32;
    unsigned int mantissah:20;
    unsigned int exponent:11;
    unsigned int sign:1;
} double_s;

typedef struct {
    unsigned int mantissal:32;
    unsigned int mantissah:32;
    unsigned int exponent:15;
    unsigned int sign:1;
    unsigned int empty:16;
} long_double_s;

#endif