int main()
{
 BITMAPINFOHEADER ABITMAPINFOHEADER;
 FILE *fp;
 if((fp=fopen("f:\\123.bmp","rb"))==NULL)
 {
  printf("file can not open!\r\n");
  return 0;
 }
 fseek(fp, sizeof(BITMAPFILEHEADER), SEEK_CUR);
 fread(&ABITMAPINF