#include <cstdlib>
#include <iostream>
#include "stdio.h"
#include "windows.h"
using namespace std;

int main(int argc, char *argv[])
{
    FILE *bmp = fopen("test.bmp", "rb");

    if(!bmp)
            return 1;

    BITMAPFILEHEADER bfh;

    fread(&bfh, sizeof(BITMAPFILEHEADER), 1, bmp);

    printf("Sizeof Type: %d  ;  %d\n", sizeof(bfh.bfType), bfh.bfType);
    printf("Sizeof Size: %d  ;  %d\n", sizeof(bfh.bfSize), bfh.bfSize);
    printf("Sizeof reserved1: %d  ;  %d\n", sizeof(bfh.bfReserved1), bfh.bfReserved1);
    printf("Sizeof reserved2: %d  ;  %d\n", sizeof(bfh.bfReserved2), bfh.bfReserved2);
    printf("Sizeof OffsetBits: %d  ;  %d\n", sizeof(bfh.bfOffBits), bfh.bfOffBits);

    fclose(bmp);


    system("PAUSE");
    return EXIT_SUCCESS;
}

#include "stdio.h"

typedef struct BITMAPFILEHEADER {
  short bfType;
  int bfSize;
  short Reserved1;
  short Reserved2;
  int bfOffBits;
};

typedef struct BITMAPINFOHEADER {
  int biSize;
  long biWidth;
  long biHeight;
};

int main()
{
  FILE *bmp = fopen("test.bmp", "rb");
  if(!bmp)
    {
      printf("Couldn't open file!\n");
      return 1;
    }

  BITMAPFILEHEADER myBmp;
  BITMAPINFOHEADER myH;
  fread(&myBmp, sizeof(BITMAPFILEHEADER), 1, bmp);
  fread(&myH, sizeof(BITMAPINFOHEADER), 1, bmp);

  printf("bfType sizeof %d : %d\n", sizeof(myBmp.bfType), myBmp.bfType);
  printf("bfSize sizeof %d: %d\n", sizeof(myBmp.bfSize), myBmp.bfSize);
  printf("r1 sizeof %d: %d\n", sizeof(myBmp.Reserved1), myBmp.Reserved1);
  printf("r2 sizeof %d: %d\n", sizeof(myBmp.Reserved2), myBmp.Reserved2);
  printf("bfOffbits sizeof %d: %ul\n", sizeof(myBmp.bfOffBits), myBmp.bfOffBits);

  printf("----------------------------\n");
  printf("biSize: %d\n", myH.biSize);
  printf("biWidth: %d\n", myH.biWidth);
  printf("biHeight: %d\n", myH.biHeight);

  fclose(bmp);
  return 0;
}