#pragma pack(1)

typedef struct {
    unsigned char   bfType[2];
    unsigned long   bfSize;
    unsigned short  bfReserved1;
    unsigned short  bfReserved2;
    unsigned long   bfOffBits
}
BITMAPFILEHEADER;
typedef struct {
    unsigned long   biSize;
    unsigned long   biWidth;
    unsigned long   biHeight;
    unsigned short  biPlanes;
    unsigned short  biBitCount;
    unsigned long   biCompression;
    unsigned long   biSizeImage;
    unsigned long   biXpelsPerMeter;
    unsigned long   biYpelsPerMeter;
    unsigned long   biClrUsed;
    unsigned long   biClrImportant
}
BITMAPINFOHEADER;
typedef struct {
    unsigned char   rgbBlue;
    unsigned char   rgbGreen;
    unsigned char   rgbRed;
    unsigned char   rgbReserved;
}
RGBQUAD;
typedef struct {
    unsigned char   rgbBlue;
    unsigned char   rgbGreen;
    unsigned char   rgbRed;
}
RGBTRIPLE;