/* * Copyright 2011 Chris Wong. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Initialize the beep system, returning a handle to the console on * success or -1 on an error. */ int beep_open(void); /** * Perform a beep. */ int beep_do(int handle, double freq, double len); /** * Close the handle, stopping the speaker if running. */ void beep_close(int handle);