int ImageDecodeGetData(char *a1, char *%08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x, ...)
{
  va_list va; // [esp+Ch] [ebp+Ch] BYREF

  va_start(va, %08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x);
  return ImageDecodeMain(a1, 0, %08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x, (char *)va);
}