VF_CopyBitmap	 206 src/bitmap.c	  bm_new = VF_CopyBitmap(bm_src);
VF_CopyBitmap	 291 src/bitmap.c	  return VF_CopyBitmap(bm_src);
VF_CopyBitmap	  67 src/bitmap.c	  return VF_CopyBitmap(src_bm);