/* * audio_input_output.h *//* Success and Failure definitions for audio functions */#define AUDIO_SUCCESS 0#define AUDIO_FAILURE -1/* Function prototypes */int audio_input_setup(int *fdByRef, char *soundDevice, char *mixerDevice, 	int audioSource, int vol, int sampleRate, int *blockSizeByRef);int audio_input_cleanup(int inputFd);int audio_output_setup(int *fdByRef, char *soundDevice, int sampleRate);int audio_output_cleanup(int outputFd);