25 #ifndef SFML_AUDIO_TYPES_H    26 #define SFML_AUDIO_TYPES_H    29 typedef struct sfMusic sfMusic;
    30 typedef struct sfSound sfSound;
    31 typedef struct sfSoundBuffer sfSoundBuffer;
    32 typedef struct sfSoundBufferRecorder sfSoundBufferRecorder;
    33 typedef struct sfSoundRecorder sfSoundRecorder;
    34 typedef struct sfSoundStream sfSoundStream;
    37 #endif // SFML_AUDIO_TYPES_H