2690 				       l == NULL || l->lv_len == 0 ? NULL : l);  in f_balloon_show()
3218 					|| argvars[0].vval.v_list->lv_len == 0;  in f_empty()
3477 	if (list == NULL || list->lv_len == 0)  in execute_common()
4033 		if (list == NULL || list->lv_len == 0)  in common_function()
4035 		else if (list->lv_len > MAX_FUNC_ARGS)  in common_function()
4057 		    int		lv_len = 0;  in common_function()  local
4062 			lv_len = list->lv_len;  in common_function()
4063 		    pt->pt_argc = arg_len + lv_len;  in common_function()
4073 		    if (lv_len > 0)  in common_function()
7145 	if (l != NULL && l->lv_len > 0)  in max_min()
7152 		    n = l->lv_u.nonmat.lv_start + (l->lv_len - 1)  in max_min()
7749 	list->lv_len = (end - start) / stride + 1;  in f_range()
7767     list->lv_len = 0;  in range_list_materialize()
9050 	len = ll == NULL ? 0 : ll->lv_len;  in f_setreg()
9477 	    if (keepempty || end > str || (rettv->vval.v_list->lv_len > 0  in f_split()