160 #define vv_nr		vv_di.di_tv.vval.v_number
161 #define vv_float	vv_di.di_tv.vval.v_float
162 #define vv_str		vv_di.di_tv.vval.v_string
163 #define vv_list		vv_di.di_tv.vval.v_list
164 #define vv_dict		vv_di.di_tv.vval.v_dict
165 #define vv_blob		vv_di.di_tv.vval.v_blob
469 	    list = rettv.vval.v_list;  in eval_spell_expr()
955     if (tv->v_type != VAR_LIST || (l = tv->vval.v_list) == NULL)  in ex_let_vars()
1001 	    ltv.vval.v_list = l;  in ex_let_vars()
1141 					   || di->di_tv.vval.v_string != NULL)  in list_hashtable_vars()
1769 		d = di == NULL ? NULL : di->di_tv.vval.v_dict;  in do_unlet()
1927 	    if ((b = tv->vval.v_blob) != NULL  in item_lock()
1937 	    if ((l = tv->vval.v_list) != NULL  in item_lock()
1951 	    if ((d = tv->vval.v_dict) != NULL  in item_lock()
2612 		    rettv->vval.v_string = vim_strsave(import->imp_funcname);  in eval_variable()
2628 			rettv->vval.v_number = import->imp_sid;  in eval_variable()
2654 		    rettv->vval.v_string = vim_strsave(ufunc->uf_name);  in eval_variable()
2655 		    if (rettv->vval.v_string != NULL)  in eval_variable()
2682 	    if (tv->v_type == VAR_DICT && tv->vval.v_dict == NULL)  in eval_variable()
2684 		tv->vval.v_dict = dict_alloc();  in eval_variable()
2685 		if (tv->vval.v_dict != NULL)  in eval_variable()
2687 		    ++tv->vval.v_dict->dv_refcount;  in eval_variable()
2688 		    tv->vval.v_dict->dv_type = alloc_type(type);  in eval_variable()
2691 	    else if (tv->v_type == VAR_LIST && tv->vval.v_list == NULL)  in eval_variable()
2693 		tv->vval.v_list = list_alloc();  in eval_variable()
2694 		if (tv->vval.v_list != NULL)  in eval_variable()
2696 		    ++tv->vval.v_list->lv_refcount;  in eval_variable()
2697 		    tv->vval.v_list->lv_type = alloc_type(type);  in eval_variable()
2700 	    else if (tv->v_type == VAR_BLOB && tv->vval.v_blob == NULL)  in eval_variable()
2702 		tv->vval.v_blob = blob_alloc();  in eval_variable()
2703 		if (tv->vval.v_blob != NULL)  in eval_variable()
2704 		    ++tv->vval.v_blob->bv_refcount;  in eval_variable()
3045     dict_var->di_tv.vval.v_dict = dict;  in init_var_dict()
3306 	    bool_tv.vval.v_number = tv2bool(tv) ? VVAL_TRUE : VVAL_FALSE;  in set_var_const()
3365 		    VIM_CLEAR(di->di_tv.vval.v_string);  in set_var_const()
3373 			if (di->di_tv.vval.v_string == NULL)  in set_var_const()
3374 			    di->di_tv.vval.v_string = vim_strsave(val);  in set_var_const()
3379 			di->di_tv.vval.v_string = tv->vval.v_string;  in set_var_const()
3380 			tv->vval.v_string = NULL;  in set_var_const()
3386 		    di->di_tv.vval.v_number = tv_get_number(tv);  in set_var_const()
3388 			set_search_direction(di->di_tv.vval.v_number  in set_var_const()
3393 			no_hlsearch = !di->di_tv.vval.v_number;  in set_var_const()
3472 	if (type->tt_type == VAR_DICT && dest_tv->vval.v_dict != NULL)  in set_var_const()
3474 	    if (dest_tv->vval.v_dict->dv_type != type)  in set_var_const()
3476 		free_type(dest_tv->vval.v_dict->dv_type);  in set_var_const()
3477 		dest_tv->vval.v_dict->dv_type = alloc_type(type);  in set_var_const()
3480 	else if (type->tt_type == VAR_LIST && dest_tv->vval.v_list != NULL)  in set_var_const()
3482 	    if (dest_tv->vval.v_list->lv_type != type)  in set_var_const()
3484 		free_type(dest_tv->vval.v_list->lv_type);  in set_var_const()
3485 		dest_tv->vval.v_list->lv_type = alloc_type(type);  in set_var_const()
3678     rettv->vval.v_string = NULL;  in getwinvar()
3745 	numval = (long)varp->vval.v_number;  in set_option_from_tv()
3951     tv.vval.v_string = (char_u *)"";  in var_redir_start()
4022 	    tv.vval.v_string = redir_ga.ga_data;  in var_redir_stop()
4068     rettv->vval.v_string = NULL;  in f_gettabvar()
4152     rettv->vval.v_string = NULL;  in f_getbufvar()
4342     if (arg->v_type == VAR_PARTIAL && arg->vval.v_partial != NULL)  in get_callback()
4344 	res.cb_partial = arg->vval.v_partial;  in get_callback()
4351 	if (arg->v_type == VAR_STRING && arg->vval.v_string != NULL  in get_callback()
4352 					       && isdigit(*arg->vval.v_string))  in get_callback()
4357 	    res.cb_name = arg->vval.v_string;  in get_callback()
4360 	else if (arg->v_type == VAR_NUMBER && arg->vval.v_number == 0)  in get_callback()
4383 	tv->vval.v_partial = cb->cb_partial;  in put_callback()
4384 	++tv->vval.v_partial->pt_refcount;  in put_callback()
4389 	tv->vval.v_string = vim_strsave(cb->cb_name);  in put_callback()