struct sMENU_WIN  {
                      byte **labelname;            // строка меню.
                      byte i_labelname;            // длина labelname.
                      bit  f_flag;                 // поддержка флага.
                      bit  flag;                   // состояние флага.
                      bit  f_goto;                 // поддержка перехода.
                      byte ptr_fgoto;              // "переход"
                      bit  f_func_exe;
                      byte *ptr_func_exe;
                  };

struct _window_   {
                     struct sMENU_WIN *_win;
                  };

struct sMENU      {
                     byte PP;                       //
                     byte *stack;                   //
                     byte *stack_1;                 //
                    
                     struct _window_ ss0;           //window#0
                     struct _window_ ss1;           //window#1
                  };
                    
struct _window_ *p_window_[2];                      //кол-во окон!
struct sMENU _menu_;                                //

void ini_p_window(&_menu_);

void ini_p_window(struct sMENU *p)
{
   p_window_[0] = &p->ss0; // main
   p_window_[1] = &p->ss1; // window 1
}

void ini_struct(&_menu_);

void ini_struct(struct sMENU *ptr)
{

...

   (*p_window_[0])._win = (struct sMENU_WIN*)malloc(13*sizeof(struct sMENU_WIN));
  
   if((*p_window_[0])._win == NULL){ _puts(1, 0, mem_err); return;}
   else                            { _puts(1, 0, OK); }

...