241     listener_T	*lnr;  in f_listener_add()  local
261     lnr = ALLOC_CLEAR_ONE(listener_T);  in f_listener_add()
262     if (lnr == NULL)  in f_listener_add()
267     lnr->lr_next = buf->b_listener;  in f_listener_add()
268     buf->b_listener = lnr;  in f_listener_add()
270     set_callback(&lnr->lr_callback, &callback);  in f_listener_add()
272     lnr->lr_id = ++next_listener_id;  in f_listener_add()
273     rettv->vval.v_number = lnr->lr_id;  in f_listener_add()
298 remove_listener(buf_T *buf, listener_T *lnr, listener_T *prev)  in remove_listener()  argument
301 	prev->lr_next = lnr->lr_next;  in remove_listener()
303 	buf->b_listener = lnr->lr_next;  in remove_listener()
304     free_callback(&lnr->lr_callback);  in remove_listener()
305     vim_free(lnr);  in remove_listener()
314     listener_T	*lnr;  in f_listener_remove()  local
327 	for (lnr = buf->b_listener; lnr != NULL; lnr = next)  in f_listener_remove()
329 	    next = lnr->lr_next;  in f_listener_remove()
330 	    if (lnr->lr_id == id)  in f_listener_remove()
335 		    lnr->lr_id = 0;  in f_listener_remove()
338 		remove_listener(buf, lnr, prev);  in f_listener_remove()
342 	    prev = lnr;  in f_listener_remove()
364     listener_T	*lnr;  in invoke_listeners()  local
411     for (lnr = buf->b_listener; lnr != NULL; lnr = lnr->lr_next)  in invoke_listeners()
413 	call_callback(&lnr->lr_callback, -1, &rettv, 5, argv);  in invoke_listeners()
418     for (lnr = buf->b_listener; lnr != NULL; lnr = next)  in invoke_listeners()
422 	next = lnr->lr_next;  in invoke_listeners()
423 	if (lnr->lr_id == 0)  in invoke_listeners()
424 	    remove_listener(buf, lnr, prev);  in invoke_listeners()
426 	    prev = lnr;  in invoke_listeners()
446     listener_T	*lnr;  in remove_listeners()  local
449     for (lnr = buf->b_listener; lnr != NULL; lnr = next)  in remove_listeners()
451 	next = lnr->lr_next;  in remove_listeners()
452 	free_callback(&lnr->lr_callback);  in remove_listeners()
453 	vim_free(lnr);  in remove_listeners()