251 	buffer_init(&c->extended);  in channel_new()
345 	buffer_free(&c->extended);  in channel_free()
736 				   c->self, c->efd, buffer_len(&c->extended));  in channel_pre_open()
744 		    buffer_len(&c->extended) > 0)  in channel_pre_open()
748 		    buffer_len(&c->extended) < c->remote_window)  in channel_pre_open()
1479 		    buffer_len(&c->extended) > 0) {  in channel_handle_efd()
1480 			len = write(c->efd, buffer_ptr(&c->extended),  in channel_handle_efd()
1481 			    buffer_len(&c->extended));  in channel_handle_efd()
1491 				buffer_consume(&c->extended, len);  in channel_handle_efd()
1506 				buffer_append(&c->extended, buf, len);  in channel_handle_efd()
1801 				   c->self, c->efd, buffer_len(&c->extended));  in channel_output_poll()
1809 		    (len = buffer_len(&c->extended)) > 0 &&  in channel_output_poll()
1812 			    c->self, c->remote_window, buffer_len(&c->extended),  in channel_output_poll()
1821 			packet_put_string(buffer_ptr(&c->extended), len);  in channel_output_poll()
1823 			buffer_consume(&c->extended, len);  in channel_output_poll()
1919 	buffer_append(&c->extended, data, data_len);  in channel_input_extended_data()